Included in Relay G90. Easy-to-read LCD screen displays up-to-the-minutebattery life data and the active channel number. Bright LEDs offerbattery life and audio signal data. TBP12 has Mute and Channel Selectbuttons for control, and features rugged metal construction. IncludesTA4F connector. Can be used with XD-V75, XD-V70, XD-V55, XD-V35, XD-V30,Relay G90, Relay G50 and Relay G30 receivers.