... for home user 4, LCD diplay for alarm system Name: LCD display gsm home alarm system1, ... work when power is off12, This GSM home alarm system is very suitable for the garage, store, house ... is on, will also alertThe gsm home alarm system is widely used at home/office, company, villa ... this gsm home alarm system. Technical Parameters of GSM Alarm Control Panell Standby currency: <45mAl Rated Voltage: ...