wireless keypad Function Features:1.LED lights display,Website:http://www.home-security-life.com, microcomputer intelligent control, stable performance.2.Works with alarm hosts to arm (away) and disarm by password.3.Displays the arm/disarm status simultaneously with the alarm host.4.AV-DC dual-use, high capacity Li-ion battery included; Automatically switches to backup battery power supply mode when power-cut; Automatic data saving when power off; low power alert.II.Technical parameter:1.Operating power: 12VDC2.Operating current: standby current: <10uA emitting current: <20mA3.Working condition: Temperature: -10~50   Humidity: 97%4.Backup battery: Li-battery (3.7V / 800mAH, rechargeable)5.Dimension: 138  88  22  mm  III. Product Preview:Front Side Instructions of LED indication:1.'Arm Indicator': Lights on when armed (away) and then off automatically after 8 seconds.2.'Disarm Indicator': Lights on when disarmed and then off automatically after 8 seconds.3.'Low-Power Indicator': Flashes when low-power and then off automatically after 8 seconds.4.Program key: Pressing the program key to start the wireless keypad. After pressing this key: Arm Indicator on indicates the alarm host is in the status of 'Armed',Disarm Indicator on indicates the alarm host is in the status of 'Disarmed'