Effective distance: about 20m
100% brand new and high quality.
Transmitter Power: Need 1x 6F22 9V battery (battery not include)
It is ideal for Teaching, Conference, Monitoring etc.
Receiver power: Need 1x AAA 1.5 battery (battery not include)
Wireless mini Microphone,Clip-on Lavalier Microphone easily for use
Receiver 6.3mm Jack plug
1 x Transmitter
1 x Receiver
1 x Clip-on Microphone
Note: Please allow errors of the color from different monitors and the measure by hands.