AudioTechnica's new pro UHF wireless features 200 selectable frequencies, true diversity technology, soft-touch controls for quick, easy access to the most important functions during set-up and operation, AudioTechnica's Digital Tone Lock® Squelch plus an easy-to-read LCD in each unit. The all-metal receiver features XLR and 1/4 in. unbalanced outputs and an advanced display with a transmitter battery-life fuel gauge and a meter hold setting function - great for setup or sound check. The ATW-3110 UniPak body-pack system lets you choose Wireless Essentials to complete your system. Add a guitar cable or your choice of microphones as your application requires. In addition the transmitter has dual-power settings permitting selection of high for maximum range or low for extended battery life (up to 10 hours).