AZDEN ECZ-990 Super Cardioid Zoom Camcorder Microphone 6" Long, Directional Zoom Microphone With A Super- Cardioid Pattern - Ellipse Shaped Picks Up Subject Sound More Clearly, Reducing Side Noises 2 PositionsNarrow &amp; Wider Range: 35 Ft Allows you to focus on subjects, reducing side noises 35-Inch range 150Hz-18kHz Uses 1 AA battery Includes wind screen and shoe mount