... system,remote control,Wireless RF/TF module Home alarm system ,personal safety.centern monitor system,Alarm accessory.GSM alarm system,remote control,Wireless ... It is integrated with home, business store, public plaza security and so on intelligent home function. Widely used for ... Two round pins, two flat pins, three pins, customerized 3. Wireless receiving distance in open place: >120m, indoor: 30~50m ...