Pyle-Pro PDWM2300N - Dual VHF Wireless Microphone System Professional VHF Wireless System - 2 Microphones Included - XLR and 1/4'' Mixed Outputs Detachable Mic Antenna - Audio Mute Circuitry For Quiet Operation - Multi-Function 2 Color Display - Dual Volume Controls Operation range: Up To 90 ft. - Operating Frequency Range: 232.4~261.0 MHz Batteries and 1/4'' Audio Cable Included - 110V/220V selectable Dimensions: 12.99'' x 6.89'' x 1.97''