Samsung Electronics F-ADT-STR-KT-1 SmartThings ADT Wireless Home Security Starter Kit with DIY Smart Alarm System Hub, Door and Window Sensors, Motion Detector- Alexa Compatible, White. 1.5 x 5.8 x 9 inches. DIY home security system: Easy To Install panel with wireless sensors that can be integrated in minutes with automated Fast Response alarms to instantly notify authorities. 24/7 peace of mind: optional, no contract ADT professional monitoring services with Police dispatch provides unbeatable protection for your family. 4 Piece Bundle: 7 Inch touchscreen ADT security hub, two ADT door and window detectors, and ADT motion detector for complete security solution. Automate your home: works with zigbee, Z Wave, and IP network protocols and a wide range of smart devices including cameras, lights, door locks, thermostats (Alexa & Google home compatible). NOTE : KINDLY REFER THE USER GUIDE AVAILABLE BELOW & VIDEO AVAILABLE BELOW THE IMAGES FOR ANY ASSISTANCE.