... -dialer,then play the greeting back. 9.arm/disarm the system by 5 ways :SMS,main host(keypad),wireless keypad,keychain ... . 13.check door/window status automatically(this is when the system is dis armed ony,if a door is opened,it ... pc. …Wireless Siren ~1 pc. …Power Adaptor ~1 pc. ireless Home Security GSM Alarm System with LCD,Touch Keypad,CE,FCC