Best Quality,Best Service,Best Price 1.16 wireless defense zones, 3 wired defense zones;can set 3 groups ... , execut home defense,outgoing defense/withdrawal or urgent alarm through wireless control.5. To set console of defense, withdrawal, monitoring, controling ... :circumscribe interface of trumpet,mute sounds ,change the sound of alarm.7. Console built-in battery, change DC & AC automatically, it ...