... phone 2.Alarm for Fire,Thief, Water,Gas,Dangerous 3.Public security--shop mall ect. Security phone for house OR SHOPE !Main ... :1, support 900/1800 MHz2, Seed dial and redial function .3, Phone book function.4, Hand free function.5, Adjusting the ... 9001, CE, ROSH etc . GSM TELEPHONE system, Fire Alarm system, SHOP/HOME Security system. Gas alarm system,GSM wireless phone