Qolsys QS-1410-P01 IQ Glass Break Sensor. Qolsys QS5110-840 IQ Smoke Detector. Qolsys QZ2300-840 IQ Siren. WE ARE AN AUTHORIZED QOLSYS DEALER! The Qolsys QZ2300-840 IQ Siren is the perfect way to make your alarm even LOUDER when the alarm goes off. Completely wireless it plus into any standard outlet and even includes 3 LED lights that strobe during alarm events. Acting as a Z-Wave repeater, it strengthens and improves your smarthome network improving the performance of all your devices. Plugs into any standard outlet – 3 LEDs strobe during alarm events – Clean, discreet look – 3 hour backup battery – Acts as Z-Wave repeater to strengthen your home network. Built-in Lithium Battery: 430 mAh – Alarm Power: 1.7W – Max Standby Power: 0.7W – Max Volume: 105dB – Operating Temperature: 0°C to 45°C – Operating Distance: Up to 550 feet outdoors – Frequency Type : Z-Wave Plus.