Tuya Smart home hub required, Real-time Door Open Detection, Work with other Smart Life Zigbee Devices via Ovleynie Smart Hub, For example, works with Siren Alarm, you can set “left home model, when someone open the door or window or some other important case which install this sensor, the alarm will work, and you will receive reminder message.

Material: PC
Color: white (blue)
Power Supply Type: rechargeable battery
Battery Type: Lithium Battery
Product Size: 54*28*18 mm
Net Weight: 22 g

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