SONOFF SNZB-04P Zigbee 3.0 door and window sensor

Smart Home Alarm System: Automatically turn on the lights when a door is opened, trigger an acoustic and visual alarm in case of unauthorized access and send app notifications so you always stay informed.

Tamper alarm: The SONOFF Zigbee door and window sensor is equipped with tamper-proof features to ensure your safety. You will receive app notifications when the sensor is tampered with.

Local Smart Scene: With the local smart scene, scene links between Zigbee devices work even if the network connection is interrupted - as long as the Zigbee devices remain powered on.

5 years battery life: Thanks to the CR2477 battery, the SNZB-04P window and door contact lasts for over 5 years, so you don't have to worry about frequent battery changes.

Zigbee 3.0 Compatible: The door and window contact is fully compatible with Zigbee hubs that support the Zigbee 3.0 protocol, such as SONOFF ZBDongle Pro, ZBDongle-E, ZB Bridge-P, iHost, NSPanel Pro and Echo Plus (2nd generation) and of course Home Assistant.

Easy installation: The set includes two 3M adhesive strips. Peel off the protective film and simply stick it on the back of the door sensor. The maximum installation distance is 20 mm. The smart window and door contact sensor is suitable for doors, windows, balconies, garage doors, baby rooms, closets, safes and more.