... 1.Alarm ways can be setting into by SMS or phone 2.Alarm for Fire,Thief, Water,Gas,Dangerous 3 ... 900/1800 MHz2, Seed dial and redial function.3, Phone book function.4, Hand free function.5, Adjusting the volume by ... Alarm ways can be setting into by SMS. Phone . SMS and then phone.9, Displaying date, time, signal strength and ... telephone system,Security system. wireless alarm system,GSM wireless phone