JJC SGM-185 DSLR/Video Mini Shotgun Microphone is designed to increase the acoustics effects when you record a video. The SGM-185 has a fashionable appearance which is made of metal. It is powered only by one piece of AA battery. With the help of SGM-185, you may not need to worry about this. Because the package contains a foam windscreen and SGM-185 allows a sound from a long distance to be picked up and can make the voice very natural, clear and sweet. So if a photographer wants to record a video of good quality, to equip his camera with this SGM-185 is a good choice. Specification: Frequency response: 30-18000Hz Sensitivity: -40dB (0dB=1V/Pa at 1KHz) Direction: Uni-direction Output Impedance: 200¦¸ S/N Ratio: 76dB (1KHz at 1 Pa) Max SPL: 120dB (at 1 KHzs1%T.H.D.) Power Requirement: One 1.5V AA battery Dimension: 22mm x 185mm (0.9 x 7.3) Weight: 80g (2.8 oz.) Compatibility: Canon 700D 650D 600D 550D 7D EOS M M2 6D 5D Mark 2 Mark 3 60D EOS-1D X 7D Mark II 100D 70D Power Shot SX60 HS NIKON1 V1 P7800 D7000 D750 D810 D7100 D5300 D5200 D5100 D3300 D3200 Blackmagic Design Blackmagic design pocket cinema camera OLYMPUS E-M1 Package Includes: Shotgun Microphone Shoe-mount microphone clip 3.5mm to 3.5mm cable Foam windscreen AA battery Product manual