![S100 Door and Window Sensor](http://iviewus.com/cdn/shop/products/s100_512x512.jpg?v=1540509141)
S100 Door & Window Sensor Alarm for Home Security, Easy Installation, App with Realtime Alerts
iView US
Detects the Status of Door and Window (Open or Close)Range: Up to 50m Outdoor; Up to 30m indoorRadio Frequency: 868.4MHz EU; 908.4MHz USPower: Cr2x...
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