The EK 500 G4 Wireless Receiver is an ultra reliable camera mount receiver for daily use with evolution wireless G4 500 systems. Featuring a menu-driven backlit LCD display that shows current frequency, frequency bank and channel number, metering of RF level, volume level, line output level, lock status, battery status, muting function, and more. Synchronize it to a transmitter with a quick push of a button. An auto-lock function prevents accidental changing of settings, and an HDX compander ensures crystal-clear sound. An included shoe-mount adapter allows you to mount the receiver on a camera for convenient portable use for up to 8 hours of battery operation.