... RF/TF module Home alarm system ,personal safety.centern monitor system,Alarm accessory.GSM alarm system,remote control,Wireless RF/TF ... module Product DescriptionDescription: Smart and good-looking. Compatible with alarm system! , DIY type, Easy-alarm, DIY, Easy-to-operated, ... It is integrated with home, business store, public plaza security and so on intelligent home function. Widely used for: ...