Skip to content

Sonoff SNZB-04 Wireless door/window sensor

Detect opened / closed doors / windows with a completely wireless low energy device. Uses stable Zigbee wireless protocol with two-way communication over a long range.

Above purchase buttons are there for inspiration where to buy the device.
Purchase buttons ending with [V are verified sellers. When an A is incuded too between the brackets it is an affiliate link. [More info]
Categories: , Tags: , , , , , , , Brand:
  • Long range communication (up to 80 meters in open space) wireless device.
  • Battery powered. Low battery notification.
  • Reminds you when the door / window is open and closed.
  • Synchronized display of window / door open / closed state in the eWeLink app.
  • 3 months history records check.
  • Can trigger WiFi and Zigbee devices in smart scenes.
  • 3M adhesive tape to stick the device on every surface you want.
  • One-tap pairing of sub-device, faster than WiFi pairing.
  • Manage Zigbee sub-devices directly from the home page of the eWeLink app. No need to access a sub-device page anymore.
  • Supported functions:
  • Scenes
    • Sharing
    • The rest is unknown.
  • Supported 3rd party’s:
    • Google Home
    • Amazon Alexa
    • IFTTT
    • SmartThings
Weight 0.0233 kg
Dimensions 47 × 27 × 14 mm

Zigbee standard

Sensor type


Power supply

Supported third parties

, , ,


Manufacturer: ITead


Product webpage:

Do you see anything that is incorrect or incomplete? Please let us know on our contact form!
%d bloggers like this: