Monitoring Doors & Windows : Automatically turning on lights when a door is opened, triggering audible and visual alarms in case of unauthorized entry, and sending app notifications to keep you informed.Tamper Alert : Equipped with tamper-proof features ensures your peace of mind. You will receive App notifications on your phone if the sensor is tampered with.5-Year Battery Life : Powered by CR2477 battery extends the battery life to over 5 years, eliminating concerns about frequent battery replacements.Zigbee 3.0 Compatible : Seamlessly integrates with Zigbee hubs utilizing the Zigbee 3.0 protocol, such as SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, and Echo Plus 2nd…Local Smart Scene : With Local smart scene, scene linkage between Zigbee devices can be executed normally as long as your Zigbee devices are powered on even if the network is disconnected.—Wireless connection : Zigbee 3.0Installation distance : ≤20mmBattery model : CR2477(3V)Working temperature : -10°C~60°CWorking humidity : 5-95%RH, non-condensingCasing material : PCNet weight : 33gProduct dimension : Transmitter (50.5x32x21.9mm) Magnet (27x12x12.4mm)—
