◎ Double flashing light.
◎ Built-in tweeter.
◎ 2-way communication with alarm control panel.
◎ Can arm/disarm by remote controller.
◎ with tamper alarm.
◎ Can enroll 16wireless devices.

Model	MD-325R
Built-in rechargeable battery	DC15-18V
Working current	12V
Receiving/emitting distance	Static state＜220μA；Working status＜1.2A
Receiving/emitting frequency	433MHz/868MHz
Alarm loudness	100dB
Emitting power	14±1dB
Receiving sensitivity	≥104 dB
Dimension