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SONOFF Zigbee door window status sensor (SNZB-04)

Sonoff Zigbee door window status sensor is a tiny little Zigbee protocol based smart sensor, used to remotely monitor door / window status changes and automatically switch other Zigbee devices or (even WiFi devices when used with a Zigbee gateway) based on the sensor data.

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Factory SKU ID:
Supported protocols:
in stock (50+ pcs)

Sonoff Zigbee door / window status sensor, a Sonoff's 2020 new product, is Zigbee protocol based very tiny sensor easily installable to a door or window. When used together with Sonoff Zigbee Bridge, can also switch WiFi-based other Sonoff devices via eWeLink cloud based on the detected open/close status.

Zigbee support the mesh network topology, so the Zigbee range can be extended by plug-in other Zigbee devices, such as Sonoff Basic Zigbee (ZBR3), acting as a Zigbee router.

One-tap pairing with Sonoff Zigbee Bridge or other compatible Zigbee gateways.

SONOFF SNZB-04 is a ZigBee two-in-one wireless door/window sensor that can be put on your door or window to tell you with an alert notification if your door or window is opened or closed, adding an extra layer of security to your home. The sensor provides you the possibility to create a scene linkage of ZigBee and Wi-Fi devices. Both the opening and closing status of the door/window are synced on your mobile phone, no longer to think back whether the door/down is off or not. It is really useful and can help you turn on or off the light in the action. Works with SONOFF ZigBee Bridge in harmony, you can set a scene to get your hallway lighted immediately when the door is opened. The camera function can be enabled on the sensor page in the eWeLink APP, which also allows you to view clearly who enters your home; even you can frighten the stranger and ask him to leave your home immediately with the two-way audio function. Its application can also extend to wide areas like drawers, garage doors, blinds, etc. Just stick it anywhere two things connect and it is always safe even if you don’t keep watch on it. Share the sensor with your family to give them an ability to quickly control and monitor your home together. Simple installation for easier setup. Peel and directly stick it on the targeted place or object, a smart security system is ready for you.

Have you ever thought to turn on/off devices through an action? Simply connect the sensor with your devices to turn them on/off when you open or close the door.

Low-battery notification: you will get a notification of low-battery level when the battery life gets 10% remaining.

Simply use our included 3M adhesives to get the sensor mounted in your ideal locations just in seconds.

Product features:

  • Remotely control ZigBee devices and also Wi-Fi devices on eWeLink APP via Sonoff Zigbee Bridge.
  • Works with other smart devices certified by ZigBee Alliance.
  • Little size:
    • senzor: 4,7 cm x 2,7 cm x 1,25 cm
    • magnetic part: 3,2 cm x 1,56 cm x 1,3 cm
  • Operates with 1 pcs. of CR2032 (3V) battery, not provided with the product.
  • Remind you when the door/window is open and closed.
  • Sync the opening & closing status of door/window on APP.
  • Can make ZigBee and Wi-Fi devices keep linkage.
  • Control the light with an action.
  • Support adding the SONOFF camera to view what happened at your home.
  • Share control makes other users control the connected device quickly.
  • 3-month history records check .
  • Low-battery notification.
  • Simple peel and stick installation.

Product type:
Zigbee door/window opening sensor
Device power supply:
CR2450 battery (3V)
Operating temperature range:
-10℃ – 40℃
RF transmitter / receiver:
Controllable from internet:
depending on the Zigbee Bridge
Manufacturer smartphone app:
eWeLink app (in case of Sonoff Zigbee Bridge), SmartThings app (in case of SmartThing hub)
Web admin interface:
Cloud mode:
connect to Sonoff Zigbee Bridge: default mode is connect to the eWeLink cloud
LAN mode:
REST API support:
MQTT support:
Notification functions:
eWeLink app notification on smartphone
history of alarms available in the app
99 g/pcs
Package offers
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