It is a stereo X/Y condenser microphone that delivers broadcast quality stereo sound to your DSLR camera, video camera, or audio recorder. This microphone provides greater control of your audio than the internal mics on DSLR camera, video cameras or digital recorders. 2. High-quality stereo microphone,power supply :AAA battery x2(not included).3. Adjustable a recording pattern 90 degree to 120 degree. 4. Compact, lightweight design, two-step high pass filter. 5. Adjusted sound attenuation (-10dB, 0dB), adjustable recording level. 6. 3.5mm headphone and line output, integrated shock mount.