Power supply and voltage:9V(cascading battery)
Trabsmit power:*5mW
Modulate mode:FM
Frequency respones:*0Hz~*0KHz
Service areas:*****0 meters
Audio output:Freestanding *-±**0mV
Composite*-±**0mV
Include:ONE Receiver,one lapel micrphones and one transmiter.
Optional:Headset/lapel microphone