Professional VHF Wireless System Two Microphones Included Power On/Standby/Off Switch Red/Green LED to Identify Mics Dual Telescoping Receiver Antennas Dual AF Level Meters Channel Signal Indicators Dual Volume Controls 1/4'' Individual and Mixed Outputs Operation range: Up To 90 ft. Operating Frequency Range: 160-250 MHz 110V/220V selectable Batteries and 1/4'' Output Cables Included