Yale Pre Break-in sensor Part of the Yale Home Smart Ecosystem and an accessory of the Yale Smart Alarm, the Yale Pre Break-in Sensor monitors the opening of any door and window in your home. Most importantly, you will be alerted of any potential intrusions before they take place, thanks to the vibration sensor. Depth: 6.85 CM REAL-TIME ALERTS: Instant notifications sent to your smartphone via the Yale Home app. EASY MONITORING: Monitor the status of your doors or windows from anywhere at any time. EXCEPTIONAL RANGE: Up to 1km, and long-lasting battery life, allowing you to protect homes or attached buildings of all shapes and sizes. SLIM PROFILE: Its design makes it perfect for narrow frames of windows and doors. It blends into your home decor without compromising on functionality COMBATABILITY: Works with the Yale Smart Alarm Kit, offering enhanced security and allows you to create a comprehensive system tailored to your needs. EASY INSTALLATION: Effortlessly mount it on your windows and doors using the included double-sided tape or mounting tools. TAMPER-PROOF PROTECTION: The alarm will be triggered if someone attempts to tamper with the device, alerting you immediately. Height: 6.85 CM Width: 2.9 CM