Water-resistant (IP54).
Increasing speaker in microphone is available, do not need external speaker.
Strong patented 360˚ rotatable clip had 8 positions. (plastic/ metal plate clip for choosing)
The other clip type：swivel tab with rack we supplied.
High impact housing, available for construction site, firefighter etc.
High quality speaker and microphone units provide clear audio communication.
Diameter：45 mm
Out Level：87 dB／1 Watt. 0.5 Meter, 3M3 Sound Box Test
Input Power：1 W
Max Input Power：2 W
Output Impedance：8/16 ohm @1k Hz
Type of Element ：Non-directional Electric condenser
Sensitivity：-38dB (1V/ Pa)
Output Impedance：2.2K ohm