Give yourself peace of mind that comes from knowing if the doors and windows in your home are closed or open while you re away. With the PEQ Door and Window Sensor you can: Know at-a-glance whether doors and windows in your home are closed or open. Get real-time notifications telling you when a door or window becomes opened or close. Set scheduled-based alerts to tell you if a door didn t open when it should. Set a rule to instantly turn on the light when you open the door (requires a PEQ Lamp Module). This device requires a PEQ hub and service plan