Cheap sensor usb, Buy Quality sensor thermostat directly from China door sensor beam Suppliers: Wired Door Window Magnetic Door Sensor Contact Magnetic Sebsir For GSM Home Alarm System Security Detector
Wired Door Window Magnetic Door Sensor Contact Magnetic Sebsir For GSM Home Alarm System Security Detector Item Information This product is the high stability of wired door or window detector,it is the suitable for family residential,real estate villas,factories,shopping malls,warehouses,office buildings and other places all safety norms. Technical Parameter Working voltage:7-9V(power by battery)Insatllation position:Door or window Package including Wired Door Detector*1(without cable)