The IQ Glass adds an extra level of perimeter defense to your door and window sensors. Triggered by the pitch and frequency of breaking glass, this glassbreak features pattern-recognition technology for superior detection and false alarm immunity.
Get started with your new QS1431-840 Glassbreak Sensor.
Learn how to connect the QS1431-840 Glassbreak Sensor to the IQ Panel 2 with this step-by-step guide.
View instructions for replacing your glassbreak detector's batteries.
Learn how to fix a QS1231-840 Glassbreak Sensor error.
View instructions for resolving a sensor malfunction.