Qolsys Residential Wireless Door/Window Contact 319.5MHz | QS1135-840

The Qolsys Wireless Door/Window Contact QS1135-840 - 319.5MHz is an advanced security device perfect for keeping your home or business safe. With encrypted S-Line sensor technology, it protects signals sent to the IQ Panel and provides support for legacy 319.5 systems. It can be easily mounted on doors or windows with the included adhesive and alerts the IQ Panel if moved more than 1". Additionally, it can be programmed as a "Safety Sensor" for medicine cabinets, chemical storage, safes, or storage closets. You can conveniently monitor and control the device using Alarm.com.