The UWP series handheld microphone contains a uni-directionalmicrophone capsule. The UTX-H2/3032 operates on UHF TV channels30.31,32 and 33.This handheld microphone is ideally suited for A/V presentation applications.Features:Internal antenna designAttenuator function allows adjustment of the audio input level to suit each user's voiceSelectable RF output level: 5 mW (suitable for simultaneous multichannel operation) or 30 mW (for long distance transmission)8 hours of continuous operation with two AA-size alkaline batteriesLCD screen provides extensive set up informationIncludes:Sony UWP Series Handheld MicrophoneMicrophone holder Screw adapter Operation Instructions