Rsrteng-8K-7-CCTV-Tester-Security-Camera-Monitor-4K-HD-CVI-TVI-AHD-POE-VGA-HDMI-01-yka

Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI

Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI

Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI. This item is about. Testers: IPC-7600C Plus, IPC-7600CADH Plus, IPC-7600CADHS Plus, IPC-7600COTADHS Plus, IPC-7600COVTADHS Plus. 7 inch IPS touch screen, 1280800 resolution. 1 channel BNC input, NTSC/PAL (Auto adapt). Main stream test (hardware decoding). Main stream supports up to 8K 32MP 8160×3616 24fps resolution. Main stream supports up to 4K 12MP 4000×3000/3840×2160 30fps resolution. Network & IP camera test. DC12V/POE 48V power supply and power detection, network information, IP address search, image display etc. For Onvif camera, auto log in to view video, modify IP, modify channel names, support face recognition and create test reports. Support more than 80 brands proprietary Protocol Camera such as AXIS, ACTi, Dahua, Hikvision, Samsung, Tiandi Albert, Keda, Honeywell, Aipu Wharton, Funiteda, Funitech, Forvision, WEISKY, etc. For hikvision camera pressing just one key to activate, Image test, can modify the user name, password, encoding format, IP address, and channel name. Support batch activation, modify video settings, IP address, restore factory settings, reset password, etc. For Dahua camera batch activation and image testing, user name, password, IP and channel name can be modified. Find the camera’s IP address in the all network segment. IP scan, Trace route, Link monitor, Link statistics, DHCP server, Port flashing, Ping test, LLDP etc. TVI 5.0 camera test, max 4K 8MP 3840x2160p 12.5/15fps, UTC control/call OSD menu. CVI 4.0 camera test, max 4K 8MP 3840x2160p 12.5/15fps, UTC control/call OSD menu. AHD 4.0 camera test, max 4K 8MP 3840x2160p 15fps, UTC control/call OSD menu. T support SDI camera test. 1 channel HDMI input, support max 4K 3840x2160P 30fps. 4K 3840×2160P 24/25/30fps, 2K 2560×1440P 60fps, 1920×1080P 24/25/30/50/59/60fps, 1920×1080i 50/58/60fps, 1280×720P 25/30/50/59/60fps, 720×480P 60fps, 720×576P 60fps, 1024×768P 60fps, 1280×1024P 60fps, 1600×1200P 60fps, 1440×900P 60fps, 800×600P 60fps. 1 channel HDMI output, support max 4K 3840x2160P 60fps. 4K 3840×2160P 60/50/30/25/24fps, 4096×2160P 24fps, 1920×1080P 60/50/24fps, 1920×1080i 60/50fps, 1280×720P 60/50fps, 720×576P 50fps, 640x480P 60fps. 1 channel VGA input, support max 1280x1024P 60fps. 4x zoom, to enlarge image, Screen snapshot, record, save, view and record and play back. USB 5V/2A power output, as a power bank. DC12V/3A power out, supply temporarily power for the camera. DC24V/2A power out, supply temporarily power for the speed dome camera. IEEE802.3af/at 48V PoE power output, max power 30W. Search BNC cable, network cable and telephone cable from the mess cables. AC Voltage Detector, Voltage range: AC12V-1000V, Frequency: 50/60Hz, Alarm mode: sound and light double alarm, Safety class: CAT. III 1000V / CAT. Test UTP cable connection status and display on the screen. Read the number on the screen. RJ45 cable TDR test. Test cable pair status, length, attenuation, reflectivity, impedance, skew etc, measurement range 180M. Optical power meter (OPM). Visual fault locator (VFL). Captures and display the command data from RS485 controlling device, also possible to send hex codes. Built-in WIFI, 2.4GHz, speed 150Mbps, display wireless camera image. Support view wifi information, test wifi strength, analyze channel occupancy and channel level, etc. 1 channel audio signal input, test whether sound normal, 1 channel audio signal, to connect headphone. Measurement POE switch or PSE power supply voltage and cable connection status. Support screenshots and video recordings on the test screen, support photo browsing and video playback operations. The dropdowns menu can quickly turn on the PoE power, IP settings, flashlight, HDMI input, Network info etc. Built-in TF card slot, include a 8GB TF card. Built-in 7.4V Lithium polymer battery, 7800mAh, 57.72Wh. After charging 4 hours, normal working time 11 hours. OSD menu support language: English, Polish, Italian, Korean, Russian, Spanish, Japanese, French, German, Turkish, Portuguese, Serbian, Czech, Vietnamese, etc. 203x140x47mm(8×5.5×1.85inch) /.
Rsrteng 8K 7 CCTV Tester Security Camera Monitor 4K HD CVI TVI AHD POE VGA HDMI
Interlogix-NetworX-NX-148E-RF-LCD-Keypad-with-Wireless-Receiver-Tested-G5-01-czw

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested G5

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested G5
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested G5
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested G5

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested G5
This Keypad is in Excellent Working Used Condition. Cosmetically it is in Good Condition with some slight Yellowing. Keypad has been tested and defaulted and is ready to install. Guaranteed not to be Dead on Arrival. RARE & HARD TO FIND.. And yes TESTED AND DEFAULTED! Item comes exactly as pictured. If it is not in the picture, it does not come with the item unless stated in the description. The item you will receive is the exact unit pictured. GE Security, Interlogix UTC Caddx. The NX-148E-RF is an integrated 48-zone wireless receiver LCD keypad with traditional design and an easy-to-read, customizable display. It is compatible with all NetworX control panels (except commercial fire). The NX-148E-RF offers the convenience of having an integrated wireless receiver built into the keypad along with standard hardwire features. A removable door allows the user to swing the door down or simply take it off for use. The NX-148E-RF emergency keys are highlighted on the keypad and can be programmed to contact and send complete information to a responding police, fire or EMS unit with just one touch. There are also five pre-programmed touch keys that allow the most common functions to be performed with ease. All keys on the NX-148E-RF are backlit to ensure error-free operation, even in a dark room. The NX-148E-RF is cost-effective and easy to install. Designed for functionality and compatibility, the NX-148E-RF is the right keypad to fit any application. Note: When using this touchpad with an NX-8E, NX-8V2, NX6V2, or NX-4V2 and downloading via modem, make sure the control panel version is equal to or greater than the following. NX-8E 17.00. NX-8V2 1.04. NX-6V2 1.05. NX-4V2 1.04. Your satisfaction is guaranteed. If we made a mistake, then the S&H is on us. Please request an invoice before paying if combining with items from our other listings.
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested G5
Interlogix-NetworX-NX-148E-RF-LCD-Keypad-with-Wireless-Receiver-Tested-E2-01-ntch

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E2

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E2
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E2
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E2

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E2
This Keypad is in Excellent Used Condition. Keypad has been tested and defaulted and is ready to install. Guaranteed not to be Dead on Arrival. RARE & HARD TO FIND.. And yes TESTED AND DEFAULTED! Item comes exactly as pictured. If it is not in the picture, it does not come with the item unless stated in the description. The item you will receive is the exact unit pictured. GE Security, Interlogix UTC Caddx. The NX-148E-RF is an integrated 48-zone wireless receiver LCD keypad with traditional design and an easy-to-read, customizable display. It is compatible with all NetworX control panels (except commercial fire). The NX-148E-RF offers the convenience of having an integrated wireless receiver built into the keypad along with standard hardwire features. A removable door allows the user to swing the door down or simply take it off for use. The NX-148E-RF emergency keys are highlighted on the keypad and can be programmed to contact and send complete information to a responding police, fire or EMS unit with just one touch. There are also five pre-programmed touch keys that allow the most common functions to be performed with ease. All keys on the NX-148E-RF are backlit to ensure error-free operation, even in a dark room. The NX-148E-RF is cost-effective and easy to install. Designed for functionality and compatibility, the NX-148E-RF is the right keypad to fit any application. Note: When using this touchpad with an NX-8E, NX-8V2, NX6V2, or NX-4V2 and downloading via modem, make sure the control panel version is equal to or greater than the following. NX-8E 17.00. NX-8V2 1.04. NX-6V2 1.05. NX-4V2 1.04. Your satisfaction is guaranteed. If we made a mistake, then the S&H is on us. Please request an invoice before paying if combining with items from our other listings.
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E2
Interlogix-NetworX-NX-148E-RF-LCD-Keypad-with-Wireless-Receiver-Tested-E1-01-fgnc

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E1

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E1
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E1
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E1

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E1
This Keypad is in Excellent Used Condition. Keypad has been tested and defaulted and is ready to install. Guaranteed not to be Dead on Arrival. RARE & HARD TO FIND.. And yes TESTED AND DEFAULTED! Item comes exactly as pictured. If it is not in the picture, it does not come with the item unless stated in the description. The item you will receive is the exact unit pictured. GE Security, Interlogix UTC Caddx. The NX-148E-RF is an integrated 48-zone wireless receiver LCD keypad with traditional design and an easy-to-read, customizable display. It is compatible with all NetworX control panels (except commercial fire). The NX-148E-RF offers the convenience of having an integrated wireless receiver built into the keypad along with standard hardwire features. A removable door allows the user to swing the door down or simply take it off for use. The NX-148E-RF emergency keys are highlighted on the keypad and can be programmed to contact and send complete information to a responding police, fire or EMS unit with just one touch. There are also five pre-programmed touch keys that allow the most common functions to be performed with ease. All keys on the NX-148E-RF are backlit to ensure error-free operation, even in a dark room. The NX-148E-RF is cost-effective and easy to install. Designed for functionality and compatibility, the NX-148E-RF is the right keypad to fit any application. Note: When using this touchpad with an NX-8E, NX-8V2, NX6V2, or NX-4V2 and downloading via modem, make sure the control panel version is equal to or greater than the following. NX-8E 17.00. NX-8V2 1.04. NX-6V2 1.05. NX-4V2 1.04. Your satisfaction is guaranteed. If we made a mistake, then the S&H is on us. Please request an invoice before paying if combining with items from our other listings.
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E1
Weiser-HomeConnect-620-Smart-Deadbolt-Lock-with-Z-Wave-700-Polished-Brass-01-pw

Weiser HomeConnect 620 Smart Deadbolt Lock with Z-Wave 700 Polished Brass

Weiser HomeConnect 620 Smart Deadbolt Lock with Z-Wave 700 Polished Brass
Weiser HomeConnect 620 Smart Deadbolt Lock with Z-Wave 700 Polished Brass

Weiser HomeConnect 620 Smart Deadbolt Lock with Z-Wave 700 Polished Brass
The Weiser HomeConnect 620 Smart Deadbolt Lock with Z-Wave® 700 in Polished Brass is a high-tech solution for securing your home. With a sleek and traditional design, this lock includes a keypad, deadbolt, emergency keys, drilling template, self-guiding screws, batteries, and a manual for easy installation. This smart lock is compatible with ADT, Vivint, Wink, Ring, Vera, Google Assistant, Amazon Alexa, Samsung SmartThings, and LittleBird. It features a delay timer, lighted keypad, automatic relocking, remote control, one-touch lock, smartphone compatibility, low battery indicator light, adjustable backset, home automation, LED backlight, self-closing, keypad, and app compatibility. With a capacity for up to 250 user codes and Z-Wave® technology, this lock is perfect for residential and commercial use.
Weiser HomeConnect 620 Smart Deadbolt Lock with Z-Wave 700 Polished Brass
Interlogix-NetworX-NX-148E-RF-LCD-Keypad-with-Wireless-Receiver-Tested-E3-01-obd

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E3

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E3
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E3
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E3

Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E3
This Keypad is in Excellent Used Condition. Keypad has been tested and defaulted and is ready to install. Guaranteed not to be Dead on Arrival. RARE & HARD TO FIND.. And yes TESTED AND DEFAULTED! Item comes exactly as pictured. If it is not in the picture, it does not come with the item unless stated in the description. The item you will receive is the exact unit pictured. GE Security, Interlogix UTC Caddx. The NX-148E-RF is an integrated 48-zone wireless receiver LCD keypad with traditional design and an easy-to-read, customizable display. It is compatible with all NetworX control panels (except commercial fire). The NX-148E-RF offers the convenience of having an integrated wireless receiver built into the keypad along with standard hardwire features. A removable door allows the user to swing the door down or simply take it off for use. The NX-148E-RF emergency keys are highlighted on the keypad and can be programmed to contact and send complete information to a responding police, fire or EMS unit with just one touch. There are also five pre-programmed touch keys that allow the most common functions to be performed with ease. All keys on the NX-148E-RF are backlit to ensure error-free operation, even in a dark room. The NX-148E-RF is cost-effective and easy to install. Designed for functionality and compatibility, the NX-148E-RF is the right keypad to fit any application. Note: When using this touchpad with an NX-8E, NX-8V2, NX6V2, or NX-4V2 and downloading via modem, make sure the control panel version is equal to or greater than the following. NX-8E 17.00. NX-8V2 1.04. NX-6V2 1.05. NX-4V2 1.04. Your satisfaction is guaranteed. If we made a mistake, then the S&H is on us. Please request an invoice before paying if combining with items from our other listings.
Interlogix NetworX NX-148E-RF LCD Keypad with Wireless Receiver Tested E3
DSC-Touch-screen-Wireless-KIT467-99VZ-Motion-3-Door-Contacts-Android-Smart-01-jef

DSC Touch screen Wireless KIT467-99VZ Motion & 3 Door Contacts Android Smart

DSC Touch screen Wireless KIT467-99VZ Motion & 3 Door Contacts Android Smart
DSC Touch screen Wireless KIT467-99VZ Motion & 3 Door Contacts Android Smart
DSC Touch screen Wireless KIT467-99VZ Motion & 3 Door Contacts Android Smart
DSC Touch screen Wireless KIT467-99VZ Motion & 3 Door Contacts Android Smart

DSC Touch screen Wireless KIT467-99VZ Motion & 3 Door Contacts Android Smart
This DSC Touch screen Wireless KIT467-99VZ is the perfect addition to your home surveillance system. With its Android Smart technology, it allows you to monitor your home’s interior and exterior with ease. The kit includes three door contacts and a motion detector to ensure that your home is always secure. The DSC Touch screen Wireless KIT467-99VZ is designed for ease of use and convenience. It is perfect for those who want to stay connected to their home and keep an eye on their property. With its wireless connectivity, it is easy to install and use. This smart home device is a must-have for any homeowner who values security.
DSC Touch screen Wireless KIT467-99VZ Motion & 3 Door Contacts Android Smart
Amaryllo-Acr1501r23whe26-Zeus-Biometric-Auto-tracking-Light-Bulb-Indoor-Security-01-gf

Amaryllo Acr1501r23whe26 Zeus Biometric Auto-tracking Light Bulb Indoor Security

Amaryllo Acr1501r23whe26 Zeus Biometric Auto-tracking Light Bulb Indoor Security
Amaryllo Acr1501r23whe26 Zeus Biometric Auto-tracking Light Bulb Indoor Security
Amaryllo Acr1501r23whe26 Zeus Biometric Auto-tracking Light Bulb Indoor Security
Amaryllo Acr1501r23whe26 Zeus Biometric Auto-tracking Light Bulb Indoor Security
Amaryllo Acr1501r23whe26 Zeus Biometric Auto-tracking Light Bulb Indoor Security

Amaryllo Acr1501r23whe26 Zeus Biometric Auto-tracking Light Bulb Indoor Security
Amaryllo Acr1501r23whe26 Zeus Biometric Auto-tracking Light Bulb Indoor Security. Amaryllo ACR1501R23WHE26 Zeus Biometric White Auto-Tracking 1080p Wi-Fi Camera. 1080p Full HD Wi-Fi camera. 85deg (+/-5deg) field of view. Fits E26 or E27 light bulb base. Crystal clear night vision. Front-facing warning LED lights and 8 hidden infrared LEDs protect even in the dark. Facial recognition of multiple human faces simultaneously with face alerts sent to smart device. Motion- and audio-triggered notifications. 256-bit military-grade encryption to protect privacy. With embedded multi-core CPUs, can perform real-time video analytics to self-pan and tilt to auto-track intruders over 40 ft.. Accepts up to 128 GB microSD Card for local storage. Works with power supplies ranging from 100 volts to 240 volts. Includes screws, anchors, and quick-setup guide.
Amaryllo Acr1501r23whe26 Zeus Biometric Auto-tracking Light Bulb Indoor Security
Rsrteng-8K-7in-CCTV-camera-Monitor-Security-Camera-Tester-4K-Network-Test-Tool-01-yu

Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool

Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool

Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool. 7 inch IPS touch screen, 1280800 resolution. Main stream test (hardware decoding). Main stream supports up to 8K 32MP 8160×3616 24fps resolution. Main stream supports up to 4K 12MP 4000×3000/3840×2160 30fps resolution. Network & IP camera test. DC12V/POE 48V power supply and power detection, network information, IP address search, image display etc. For Onvif camera, auto log in to view video, modify IP, modify channel names, support face recognition and create test reports. Support more than 80 brands proprietary Protocol Camera such as AXIS, ACTi, Dahua, Hikvision, Samsung, Tiandi Albert, Keda, Honeywell, Aipu Wharton, Funiteda, Funitech, Forvision, WEISKY, etc. For hikvision camera pressing just one key to activate, Image test, can modify the user name, password, encoding format, IP address, and channel name. Support batch activation, modify video settings, IP address, restore factory settings, reset password, etc. For Dahua camera batch activation and image testing, user name, password, IP and channel name can be modified. Find the camera’s IP address in the all network segment. IP scan, Trace route, Link monitor, Link statistics, DHCP server, Port flashing, Ping test, LLDP etc. Don’t support CVI camera test. Don’t support TVI. Don’t support SDI. 1 channel HDMI output, support max 4K 3840x2160P 60fps. 4K 3840×2160P 60/50/30/25/24fps, 4096×2160P 24fps, 1920×1080P 60/50/24fps, 1920×1080i 60/50fps, 1280×720P 60/50fps, 720×576P 50fps, 640x480P 60fps. 4x zoom, to enlarge image, Screen snapshot, record, save, view and record and play back. USB 5V/2A power output, as a power bank. DC12V/3A power out, supply temporarily power for the camera. DC24V/2A power out, supply temporarily power for the speed dome camera. IEEE802.3af/at 48V PoE power output, max power 30W. Search BNC cable, network cable and telephone cable from the mess cables. AC Voltage Detector, Voltage range: AC12V-1000V, Frequency: 50/60Hz, Alarm mode: sound and light double alarm, Safety class: CAT. III 1000V / CAT. Test UTP cable connection status and display on the screen. Read the number on the screen. RJ45 cable TDR test. Test cable pair status, length, attenuation, reflectivity, impedance, skew etc, measurement range 180M. Optical power meter (OPM). Visual fault locator (VFL). Built-in WIFI, 2.4GHz, speed 150Mbps, display wireless camera image. Support view wifi information, test wifi strength, analyze channel occupancy and channel level, etc. 1 channel audio signal input, test whether sound normal, 1 channel audio signal, to connect headphone. Measurement POE switch or PSE power supply voltage and cable connection status. Support screenshots and video recordings on the test screen, support photo browsing and video playback operations. The dropdowns menu can quickly turn on the PoE power, IP settings, flashlight, HDMI input, Network info etc. Built-in TF card slot, include a 8GB TF card. Built-in 7.4V Lithium polymer battery, 7800mAh, 57.72Wh. After charging 4 hours, normal working time 11 hours. OSD menu support language: English, Polish, Italian, Korean, Russian, Spanish, Japanese, French, German, Turkish, Portuguese, Serbian, Czech, Vietnamese, etc. 203x140x47mm(8×5.5×1.85inch) /.
Rsrteng 8K 7in CCTV camera Monitor Security Camera Tester 4K Network Test Tool