, The market-leading on-camera microphone found on the cameras of the world's best vloggers, documentarians, and filmmakers , True shotgun microphone designed for use with camcorders, DSLR cameras and portable audio recorders as a source of primary and reference audio , Has a host of professional features, including gain adjustment, pad, safety track, switchable high-pass filer, high frequency boost and more to ensure you can capture great audio in any situation , Over 20 hours operation from a single LB-1 Li-Ion rechargeable battery (included), or power from AA batteries or from the micro-USB port for maximum flexibility in the field , Automatic power function switches on the microphone when you switch on your camera - saving battery, and also ensuring you never miss a shot ,