Price: $79.99 - $55.99
(as of Jul 22, 2025 19:01:21 UTC – Details)
Product Description
Low-battery Notification
You will get a notification on your phone of low-battery level when the battery life gets 10% remaining.
History Records Check
Want to check the past message notifications about your home? The sensor allows you to go back to the history records over past 3 months.
Easy to Pair
1. Access eWeLink APP, select the Bridge that you want to connect, and tap “Add” to add a sub-device.
2. Then long press reset button on the device for 5s until the LED indicator flashes three times, which means the device has entered the pairing mode,and be patient until pairing completes.
Add to Cart
Add to Cart
Add to Cart
Customer Reviews
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4.0 out of 5 stars 337
3.6 out of 5 stars 329
3.7 out of 5 stars 192
4.6 out of 5 stars 4,594
Price
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$16.99$16.99 $18.99$18.99 $39.99$39.99
Wireless connections
ZigBee 3.0 WI-FI IEEE 802.11 b/g/n 2.4ghz, ZigBee 3.0 ZigBee 3.0 ZigBee 3.0 ZigBee 3.0
Input
Battery 3v(CR2450) 5V 1A Battery 3v(CR2450) Battery 3v(CR2450) DC 5V 100mA
Working environment
-10C-40C -10C-40C -10C-40C -10C-40C -10C-40C
Material
PC PC V0 PC PC Aluminum Alloy
Weight
25g 35g 15.5g 19g 43g
Dimension
43x43x15mm 62x62x20mm 45x43x14mm 35x39x28mm 111x40x17mm
Compatible with Alexa
No no data
✓
✓
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Compatible with SmartThing?
No no data
No
✓
no data
SONOFF wireless door/window sensor 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. 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
SNZB-04 needs to be used with Zigbee Hub. The sensor provides you the possibility to create a scene linkage of ZigBee and Wi-Fi devices. This sensor is able to help you create a smart home. Works with SONOFF ZigBee Bridge in harmony, you can set a scene to get your hallway lighted immediately when the door is opened
Simple installation for easier setup, 3M adhesive (included) installation significantly saves your time. 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. 3-month history records check
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
