Wireless Magnetic Sensor House Window Door Motion Detector Alarm System Security Home Guarding

Specifications: Alarm volume: 108dB Host battery: 2*AAA(not included) Working environment temperature: -10 ~ 60 C Storage temperature: -20 C + 70 C Working environment humidity: < 80% Item Size:8.5*4.5*1.5cm Item weigh: 30g Package Information: Package Size: Approx. 10.3*6*3.4cm/4.06*2.36*1.34in Package Weight: Approx. 50g/1.76oz Features: *Wireless magnetic sensors of door/window security alarm, it will alarm when the sensor detects someone comes in or there is some vibration of the door or window. *Built-in 108dB loud alarm, can effectively frighten the thieves. *Four alarm modes optional: alarm mode, constant alarm mode, closing-door alert and doorbell mode. *The host installation with double-side adhesive, it is easier to install. *Compact small size, creative design and low-consumption, which makes it can work long time.