BOYA by-vm190p Camera Mounted Shotgun Microphone For DSLR CameraDescription:Studio recording qualitySuper-cardioid polar patternIntegrated shock mountFoam windshield includedTwo step High Pass Filter (Flat\/ 80Hz)3-position level control (-10dB, 0dB, +10dB)1\/4 threaded mount3.5mm output plugUses 9V Lithium or Alkaline battery (package not included)Durable ABS constructionSpecification:Type: condenser microphone (unidirectional)Frequency response: 35-20000HzSensitivity: -40dB ± 1dB \/ 0dB = 1V\/Pa, 1kHzSignal to noise ratio: 75dB or moreOutput impedance: 200 Ohm or lessPlug: mini-pin plug (3.5mm)Filter: Controlled by low-cut filter switchDimensions(L*H*D): 220 x 102 x 58mmWeight: 121gCompatible with:Nikon DSLR Camera D800 D800E D3200 D600  D5100, D7000, D300s, D3s D3100Canon DSLR Camera EOS 6D 650D  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-5Sony A55 A77 A99Package included:1 x Microphone