QS1135-840
The IQ mini door/window sensor is an ultra-compact encrypted sensor that securely connects to the IQ Panel 2 using proprietary S-Line encryption technology. Easy to install on anything that opens or closes, this sensor can provide intelligent notifications and even support smart home automation rules.
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5 Articles
How to Program a Door/Window Sensor to the IQ Panel 2
Learn how to connect the QS1135-840 Door/Window Sensor to the IQ Panel 2 with this step-by-step guide.
QS1135-840 Door/Window Sensor Guide
Get started with your new QS1135-840 Door/Window Sensor.
QS1135-840—Battery Replacement
View instructions for replacing your sensor's batteries.
QS1135-840—Tamper Error
Learn how to fix a QS1135-840 Door/Window Sensor error.
QS1135-840—Resolving a Malfunction
View instructions for resolving a sensor malfunction.