Cheap door grill, Buy Quality contact person directly from China door repair Suppliers: Free shipping Wireless Intelligent Door/Window Sensor Contact For G90B Security GSM Wifi Alarm System 433MHZ
Thank you for coming, we store the merchandise has a quality assuranceJust for our alarm system: we made this kit just for our customers\' extra needWireless Door Window Gap Detector Sensor 433MHzFunction Instruction:1. Intelligent Door sensor with WIFI network2.Newest low voltage SMS alert function3.Simple and Nice design with shinning casing4.Self-check whether door/windown is colsed5.APP controled , Independent User SPECIFICATION: 1. Triggered distance between two parts 1~1.5cm2. Working current:10~15mA Static current: 5μA3. Power: standby :0.01W, Alarm :0.09W4. Chip: EV15275. RF frequency:433MHZ 6. Oscillator resistor can be 330k 7. Transmitting distance: noninterference about 180m ; indoor about 30~50 m8. Operating temperature: indoor -15 ~ 50C, related humidity 95% NOTE : due to different Gap sensor from different manufactures, the parameter will be different, so these GAP sensors just for our alarm system. If your alarm system was NOT from us, please do NOT buy. Packag