The Azden 211-LT Wireless VHF System 211LT delivers excellent RF performance even under adverse conditions, and audio quality formerly associated with much more expensive equipment. With Power (red) to Receiving (green) LEDs, and 1/4" output jack with volume adjustment. This kit comes with the 31-LT bodypack lavalier transmitter, featuring our EX-503 high quality omni-directional electret condenser microphone element and BC-26 power supply. The 31LT also has an input level control, a durable ABS case with snap-off belt clip, and a 3-position Power switch with Standby for muting the audio.