... products are gsm alarm,wireless alarm,mms gsm alarm,power alarm,IP camera,smoke detector,gas detector,child alarm,etc.. Product Description Features: 1) 51 alarm zones: ... Each zone can code one or more wireless accessories. 2) Low battery alarm signal: When the battery power belowing ... telefone line, the GSM can be for replacement 18) Living audible motinor function 19) tamper alarm: When the mounting ...