... remotes(supports up to 4 remotes or wireless keypads per zone)sipports 8 more wired ... system by 5 ways :SMS,main host(keypad),wireless keypad,keychain remotes,or even remotely by phones(PSTN alarm ... system is dis armed ony,if a door is opened,it will sound fast “bibibi”) 13.support wireless ... ~1 pc. …Wireless Siren ~1 pc. …Power Adaptor ~1 pc. Home Security GSM Alarm System wireless With LCD Touch Keypad ...