Powerful plug-on transmitter that turns every wired dynamic microphone into a wireless transmitter for evolution wireless G4 100P Series systems. For documentary, Mobile Journalism and audio for video applications. Excellent sound and construction quality. Easy to use and fast setup time. Powerful and reliable wireless transmission. Range: 100 meters. Up to 8 hours of operation time. Package includes: SKP 100 G4 plug-on transmitter, 2 AA batteries, manual. Dimensions: 105 x 43 x 43 mm. Weight: 195 g. Frequency: 823 - 865 MHz