Model 10020003 Quantity 1 Color Black Material Stainless steel Compatible Camera Models Common camcorder with 3.5mm Mic jack such as Canon 550D 7D 60D 600D Nikon D7000 D800 D5100 Olympus E-5 K-5 Sony A55 A57 etc. Functions Professional interview recording microphone good for business like media interview conference speech stage filming television use. Other Features Capsule type: condenser frequency response: 100Hz~16KHz output impedance 1Kohm for short distance 2.3Kohm for long distance sensitivity: -45dB for short distance -38dB for long distance polar pattern: ultra-cardioid power supply: DC 1.5V directional: uni-ultral-directional effective pickup range: 3m the using time of the battery: 26 hours size: 22x273mm Packing List 1 x Microphone 1 x Microphone line (560cm) 1 x English / Chinese user manual