Sonoff Smart Sensor DW2-Wifi (No Battery)
The sonoff dw2 sensor can help secure your door or window to let you know whether your home is safe wherever you are. The sensor can trigger an alarm to your smartphone to inform you of an intruder when the door or window is opened. Remind you when door/window is opened or closed. Keep linkage with SONOFF smart products for your easier smart life
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30-day money-back guarantee
Shipping: 2-3 Business Days