Functions and features:
1) Offer 1 RJ11 output port to connect 1 sensor or display system.
2) Simple and small appearance design, LED indication function to show work condition of every defense area.
3) Built-in rechargeable lithium battery with 7 days standby time in maximum, low battery indication function.
4) Alarm will be triggered when alarm unit is detached.
5) Code modification function.
6) Offer power switch.
7) Built-in short-circuit protection function.

Main parameters:
1) Size: 45 x 45 x 12mm.
2) Case: ABS.
3) Output port: 1 port of RJ11.
4) Alarm volume: 100DB.
5) Standby time of built-in rechargeable lithium battery: 7 days.
6) Code modification function: yes.
7) Low battery indication: yes.
8) External power on / off indication: yes.
9) Power input port: MINI USB.

Optional accessories:
1) Power adapter: 5V/2A.
2) AS3X series IR remote keys.