1, gsm wireless home alarm 2, gsm network alarm 3, 99 wireless zone alarm 4, LCD diplay for wireless alarm Name: LCD display gsm wireless home alarm1, gsm wireless home alarm 2, gsm network alarm3, 99 wireless zone alarm4, LCD ... NI-HI battery, still work when power is off12, This GSM wireless home alarm system is very suitable for the garage, store, house, villa, warehouse ...