SG-108 Professional Gun-type Microphone with a 3.5mm Stereo For Camera DV CamcorderFeatures:The gear is a Professional Unidirectional HDV HDSLR DSLR Stereo Microphone or sound pickup. It can improve the acoustics when you shot.It features 90°or 120° natural sound pickup. It can be mounted on DV， HDV， DSLR， HDSLR with hot shoe.It is with low voltage alarm indication， wide frequency， high sensitivity， and strong direction， long distance sound pick up， natural， clear and sweet.☆ 90°: when pick up the sound in a limited area or from afar.(for talking or playing musical instruments)☆ 120°: when pick up the sound in a big area or a sound nearby.(for concert or drama)- This DV stereo microphone fits for compact DV and DSLR CameraSpecification:Frequency response : 30 - 18000HzSensitivity : -40dB (0dB = 1V/Pa at 1 KHz)Direction : Uni-directionOutput Impendence : 200ΩS/N Ratio : 76dB (1KHz at 1Pa)Max SPL : 120dB (at 1KHz ≤ 1%T.H.D.)Power Requirement : one CR2 3V Li battery (last about 800 hours)Cable Length : About 28cmNet Weight of Microphone : 47.5g (0.10lbs / 236ct) (not including battery)Packing Weight : ~135g (0.30lbs / 670ct)NOTE:1.DO NOT HAVE BATTERY!2.Please confirm your camera have 3.5mm mic jack.Compatible with:All cameras/DV with a 3.5mm mic jack.Package Include SG-108 Professional Gun-type Microphone with a 3.5mm Stereo For Camera DV x1pcs