BOYA BY-PVM50 Stereo Condenser Microphone For Canon Nikon Pentax Camera CamcorderDescription: Stereo X\/Y condenser microphone Compact、 lightweight and easy-use Designed for DSLR cameras、 Camcorders、 Audio recorders etc Professional condenser circuitry ensures excellent sound quality Locked cable with 3.5mm stereo mini plug Powered by included LR44 battery Integrated cold-shoe mount and foam windshield ON\/OFF switch for convenient operation Also includes fur windscreen、 battery、 and pouch     Specifications:       Polar Pattern:  X\/Y Stereo   Frequency Response:  60Hz - 18kHz±3dB   Sensitivity:  -30dB +\/- 1dB \/ 0dB=1V\/Pa、 1kHz   Impedance:   2000 ohms   Maximum SPL:  120dB、 1KHz   Signal to Noise ratio: 78dB   Dynamic Range:  95dB、 1 KHz   Battery Type:  1.5V LR44   Battery Current:  6.5 mA    Package Includede:       1 x BY-PVM50 Shotgun     1 x Foam windscreen     1 x Fur windscreen     1 x Pouch      Detail Pictures: