Compatible with Yale Smart Alarm Detects open/closing Indoor use Enhance your security system and easily monitor the status of your doors or windows with the Yale Indoor Window/Door Contact.Get real time notifications via the Yale home app as soon as someone opens or closes your door or windows.Slim designIts sleek and slim design is tailored to fit perfectly within the narrow frames of windows and doors. Blending effortlessly with your home decor, this sensor discreetly enhances your security without compromising on its functionality.Easy monitoringStay connected with real-time alerts, keeping you informed whenever your doors or windows are opened or closed or if vibration is detected. Effortlessly monitor your home's status from anywhere, at any time, ensuring your peace of mind.1km Range ProtectionExperience exceptional protection with an impressive coverage range spanning up to 1km, coupled with an extended battery lifespan. Safeguard not just your home, but also properties and a