Introduction:SG108 Professional DV stereo microphone fits fr home-used DV. It is delicate and light,2 built in cartridges which are vertical to each other. The MS stereo system enables a natural sound pick up. And it is with low voltage alarm indication,wide frequency,high sensitivity,and strong direction,long distance sound pick up natural ,clear and sweet.Features:1. The microphone can be fixed on the DV with microphone hole and path. The MS stereo system enables a natural sound pick-up. Delivering a stereo sound image with superb clarity2 The pick up pattern(affecting the soundstage width)can be set to 90 or 120 according to the sound source3. The microphone can work for more then 800 hours when you install the CR2 3V Li battery in the package.(The actual hour depends on the varied case)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 3VModel:MS(Mid-Side)Stereo System Power requirement:CR2 3V Li battery(please use it in the room temperature),it can last for about 800 hours.(with the CR2 3V Li battery)Mode of sound pick-up:90° or 120°,2 kinds for your switchLength of cable: About 11.02 inch / 28cmSize:5.12 x 2.36 x 1.38 inch / 13 x 6 x 3.5cm(L x Wx H)Package size:8.07 x 4.92 x 1.57 inch / 20.5 x 12.5 x 4cm(L x W x H)Color: BlackWeight:4.2 oz / 119 gSuitable For:Nikon DSLR Camera D5100, D7000, D300s, D3sCanon DSLR Camera EOS 1D Mark IV, 5D Mark II, 7D, 60D, 600D/Rebel T3i/Kiss X5, 550D/Rebel T2i/Kiss X4Canon Camcorder LEGRIA HF G10, HF M41, HF S21Pentax K7 K-5 Sony A55