... detecto GSM BASEGSM-III Alarm1,GSM-III alarming controller (5 group)2,inactive infrared intruding detector ... detector (up to 10)4, cordless remote controller (two or more)5, have 5 group dialing ... whisper, and push the button (^) on the second remote controller, the system will send out a whisper also ... set, after 20 second, you can test the system 6). The remote controller has four buttons; button1 ...