... the greeting back.6. Arm/Disarm the system by 5 ways: SMS, alarm panel keypad, wireless keypad, Remote control, or even ... \DC with Low-voltage Indicators8. Learning/coding wireless sensors to alarm host, very easy operation.9. Support wireless "ding-dong" ... Input 100~230VACOutput 1A/12VDCStatic current: <50mA (when not charging)Alarm current: <500mABuilt-in Li-ion backup battery: 3.7V 1200mAh ...