The TM-2X Stereo XY Condenser DSLR Microphone from Tascam is designed to record stereo audio directly to your DSLR camera's microphone input. It can be mounted directly on your camera's hot shoe mount and is capable of being swiveled 180-degrees. The TM-2X has two switchable sensitivities, allowing it to work with a range of cameras. As it is powered by plug-in power from your camera, it requires no external batteries for operation.