2.Built-in Panic button is for easy immediate emergency help.

3.Low standby current on sleep mode to save power.

4.Built-in tamper switch and zone switch to set-up sensor zone.

5.Built-in extension NC type switch terminal.

6.With Vibration Sensor to active signal transmission.

7.LED indicates signal transmission OK and battery condition.

8.The sensor has low battery detector function which can report to console.

9.It has auto report to confirm on normal working.