This is a professional DV Stereo 3.5mm microphone fits for household DV. Features:The 3.5mm microphone can be fixed on the DV with microphone hold and path.Delivering a stereo sound image with superb clarity.The pick up pattern (affecting the sound stage width) can be set to 90 or 120 according to the sound source.It is delicate and portable.Specifications:Frequency response:30-18000HzSensitivity:-40dB(0dB=1v/pA AT 1KHz)Direction:Uni-directionOutput Impedance:200S/N Ratio:76dB(1 KHz at 1Pa)Max SPL，120dB(at 1 KHz 1% T.H.D)Power Requirement:DC 3V Model:MS(Mid-Side)Stereo SystemPower requirement:CR2 3V Li battery(not included)Mode of sound pick-up: 90° or 120°， 2 kinds for your switchPackage size: 14.5 * 11 * 5.5cm / 5.7 * 4.3 * 2.2inPackage weight: 152g / 5.37ozPackage List:1 * Microphone"
