... key arm function, easy operati Wireless & wired alarm system: 1) The host with keyboard and ... long distance monitor, arm, disarm and field alarm.10) Wireless detector and remote control are automatic ... alarm issue, etc.15) The host adopts AC220V, DC12V/7AH dual power supply. Usually, recharge for battery, ... 24-hour standby). When the battery is lower, it will alarm, the discharge limit protection circuit ...