Sensor Door Open/Closed


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SKU: 1005002947349405 Category:


Sensor Door Open/Closed

  • Brand Name: SONOFF
  • Origin: Mainland China
  • Certification: CE
  • Model Number: SONOFF DW2 Wifi / SNZB-04
  • Smart home platform: Google Assistant
  • APP: eWelink
  • Sensor Door Open/Closed
  • Wi-Fi: IEEE 802.11 b 2.4GHZ
  • Working Voltage: DC3V (2 x 1.5V battery)
  • Battery Model: AAA 1.5V
  • Quiescent current: ≤ 40 μA
  • Material: PC V0
  • Support: Dropshipping,wholesale

Please notes: we have wifi or zigbee vision, please choose correctly, don’t make mistake any more!

Description of DW2 WiFi Door Sensor:

Keep linkage with SONOFF smart devices to create various smart scene

Turn on/off your light with an action

Notify you when the door/window is opened

Check the opening and closing status of door/window on APP

Battery-level display and low-battery reminder

Allow sharing the sensor with your family to monitor and control of your home

No gateway required

Bluetooth low energy pairing

Support to check history record on APP

Low-power Wi-Fi transmission for more lasting work time

Peel and stick installation, quick to use

Specifications of DW2 WiFi Door Sensor:

Battery Model: AAA 1.5V;

Working Voltage: DC3V (2 x 1.5V battery);

Quiescent current: ≤ 40 μA;

Wi-Fi: IEEE 802.11 b 2.4GHZ;

Material: PC V0;

Download Center

User Manual

Description of SNZB-04 ZigBee Door Sensor :

The wireless door/window sensor is essential for knowing who is coming in and out of your home, so it is most often used as part of smart security system.

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.

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.

Specifications of SNZB-04 ZigBee Wireless Door :

Battery: 3V(CR2450);

Wireless connection: Zigbee 3.0;

Material: PC;


Magnet: 32X15.6X13mm

Sensor: 47X27X13.5mm

Scene Linkage, Start Your Smarter Life

Have you ever thought to turn on/off home appliance through you action? Simply connect the sensor with your home appliance and you can make devices on/off when you open or close the door.

Just Like A Police Is Patrolling Your Home

Worry that your home is threatened when you’re away? Try to connect a camera to the sensor and you can scare the stranger off with your voice anywhere, anytime.

History Records Check

Want to check the past message notification of your home? The motion sensor allows you to go back to the history records over past 3 months.

Intelligent Security, Simple Installation

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

Low-battery Notification

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





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