... for Fire,Thief, Water,Gas,Dangerous 3.Public security--shop mall ect. Security phone for house OR SHOPE !Main functons:Main ... : when someone break in, it will send signal to based telephone, then the telephone will alarm and send message or ... patent and succeed in passing ISO 9001, CE, ROSH etc . GSM TELEPHONE system, Fire Alarm system, SHOP/HOME Security system. Gas alarm system,GSM wireless phone