GSM Remote AC Power Monitor

We are offering gsm remote ac power monitor ,
functions & features of the gsm dialer:
gsm frequency: 900/1800mhz or 950/1900mhz;
supports away armed, partial armed(at house or stay),spot or disarmed by sms commands, call in with free charge;
supports android apps and ios apps, quickly to arm, disarm, inquiry status, switch on or off siren, call in to arm/disarmed , call in to listen in;
? supports 6 user numbers, each number can be setup as receive sms or receive call or both of them, also, each number can be setup authorized to call in to listen or call in to arm or stay the system;
supports listen on-site through internal sensitive microphone and call back;
automatically send sms alert alarm message and dial to the pre-set numbers when alarm occurrence;
supports 1 wired zones(dry contact type), the input can be normal close(nc), normal open(no), special for ip camera and cctv system or other wired sensor connection;
? supports verity programmable zone attributes, includes away(normal), at house or stay, entrance zone, 24 hours sound zone, 24 hours silent zone, local zone(spot), sos zone, door bell zone;
the zone name of din is programmable by user through sms commands;
supports armed delay to give enough time to leave the home, the delay time is programmable by user;
supports alarm delay to give enough time to disarm it when you come back home, the delay time is programmable by user;
equips one siren output for sounding while alarm occurrence to warn;
? supports to setup how long to send sms message to users after the external ac power goes off/on;
? standby internal large capacity rechargeable battery which can standby upto 8 hours after ac power failure, also can provide power to wired siren after ac power failure.