Qolsys IQ Door/Window Sensor - QS1137-840

The IQ Mini Extended door/window sensor is a powerfully small encrypted device that can be placed on anything that opens or closes. With double batteries up to 8-10 year battery life, a rare earth magnet for more flexibility when installing on tricky molding or other openings. Create automation rules like "turn on light when door is opened" or "Adjust thermostat if window left open".