... into by SMS or phone 2.Alarm for Fire,Thief, Water,Gas,Dangerous 3.Public security-- ... when the smoke out of limits. Gas leak: It will send signal to default number ... Shenzhen Taifeng Network Equipment Co, Ltd. is a manufacturer which specialized in research, developing and selling ... 9001, CE, ROSH etc . GSM Alarm system, Alram telephone system,Security system. wireless alarm system,GSM wireless phone