2.LED light is indicators for alarm event status, working mode and Signal Received.

3.The alarm will emit 110dB siren sound and LED flash for memory alarm event.

4.The alarm duration can be set to 1, 3minutes or by alarm console control.

5.It can be registered totally 20pcs ID code from the alarm console.

6.It is two-way working function that can by alarm console control working and alarm mode.

7.Built-in back-up battery, tamper switch and power failure detector functions, it can report event to alarm console.