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50% OFF, The Stalwall D21 Smart WiFi Door Window Sensor Under $13 is a Can't-Miss Steal!

What is the Smart wifi Door Window Sensor?

An open and unsecured door or window is a golden opportunity for the burglars. Smart wifi Door Sensors make our houses secure and safe to live. With in-built smart technology, the user can easily monitor the security system. 

They can be mounted on doors, windows, or drawers. The magnetic sensor inside detects the opening/closing of the door to notify the owner of the status through the App. We did our research on Smart wifi Door Sensors, and our top pick is Stalwall D21 Door Window Sensor.



Irreplaceable Superiority

Stalwall D21 is different from other Door Window sensors as it doesn't require additional gateways, and that is a big relief. 

Unlike many sensors that require ZigBee Protocol, Stalwall D21 is a stand-alone device and can be connected independently through wifi. It notifies you about the status of doors and windows through the App. 

Thanks to its SMART technology, it doesn't require additional switches to control other intelligent home devices. And all these actions (on/off) will be recorded in the history in phone APP, which makes it easy for you to track the records.


Pricewise, the product is worth your investment because no other sensor can offer you all these advantages, along with high-end security and reliability at a low price of under $13.


Design Highlights

The magnet Stalwall D21 comes with an anti-dismantling feature. You no more have to rely on strong adhesive tape, thanks to this new feature. If someone tries to remove the sensor illegally, an alarm notification will be sent to your phone.

Stalwall D21 can be linked to other smart devices such as smart bulbs, purifiers, IP cameras, etc. to build a smart home. The intelligent linkage is possible with devices equipped with Tuya solutions.



Practical Performance

Stalwall D21 is highly sensitive. Once connected to 2.4G wifi, it senses the door opening or closing in the proximity of 20mm and quickly sends a message to your phone.

The alarm settings are easy and quick. You need to press the device button for 5 seconds to develop a connection. Its installation is easy after download the app "SMART LIFE." Just open the App and add its name to complete the link.


The sensor has a super long battery life of 8-month. It keeps you reassured for a long time. The two AAA batteries are convenient to use and replace. You have to remove the back cover and replace it.


Conclusion

As you can see, the Stalwall D21Smart wifi Door Window sensor is highly sensitive and responsive. It has all you need to buy peace of mind. With smart linkage, other smart devices will turn on once you open the door. Isn't that a relief if you are entering the house at night?


So if you are planning to invest in securing your house, Stalwall D21 is the best choice. It is not only reliable but worth its price. So what are you waiting for? Grab the 50% OFF deal. You don't want to miss this under $13 purchase.











Stalwall D21 Smart Wireless WiFi Magnetic Door Window Sensor Alarm App Remote Control Support Google Assistant Alexa For Home Security


$24.99


$12.99





  • # Window Door Sensor
  • # Smart Home Security
  • # Stalwall
  • # Stalwall D21
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