The SONOFF wireless door/window sensor can be installed on your door or window to alert you with a notification whenever it is opened or closed, providing an additional layer of security for your home. Both the opening and closing status of the door or window are synced with your mobile phone, eliminating the need to constantly wonder whether you remembered to close it.

Note: The SNZB-04P sensor requires a Zigbee Hub for operation.

【Monitoring Doors & Windows】 This sensor can automatically turn on lights when a door is opened, trigger audible and visual alarms in the event of unauthorized entry, and send app notifications to keep you informed.

【Tamper Alert】 Equipped with tamper-proof features, the sensor 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 a CR2477 battery, the sensor boasts an impressive battery life of over 5 years, eliminating the need for frequent battery replacements.

【Zigbee 3.0 Compatible】 The sensor seamlessly integrates with Zigbee hubs that utilize the Zigbee 3.0 protocol, such as the SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, and Echo Plus 2nd Generation.

【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.

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