KERUI Wireless Magnetic Door Sensor

Features:
*The Door Sensor with arm/disarm button and set button. Excellent design, tiny and fashion. Easily install with adhesive tape. Contains 1pcs wireless RF 433HMz door sensor.
*Wireless 433HMz standalone door sensor can work alone as door/window open reminder. Once triggered, it will send out 120db warning to scare away the thief.
*It also can work as alarm host connecting with 433HMz wireless detectors(such as fire sensor and PIR sensor), remote controls and emergency buttons, etc.
*Simply attach one piece to your door,window or cabinet door, and attach the other piece to the door or window frame.
*Ideal intrusion warning for homes, apartments, dorms, offices, hotel rooms, warehouse, garages, shops, counter, Internet bar, etc.