The Sennheiser EK 100 G3 is a lightweight bodypack receiver that features an all-metal housing. The unit has 1680 tunable UHF frequencies and synchronizes with G3 transmitters at the touch of a button. A 3.5mm audio output will provide clean output signal using the included adapter cables. The receiver operates on 2 standard AA batteries, and an optional 12VDC adapter is also available. The included shoe mount adapter allows you to mount the receiver on a camera for convenient portable use.