Ultimaxx Universal Mini Condenser Shotgun Microphone for Digital Cameras (UM-MIC100)

For professional broadcast quality audio while recording videos. Uni-directional electret condensor microphone with ability to record directly in stereo. Includes hot/cold shoe mount with locking knob, built in cable with 3.5mm stereo mini plug, foam wind screen, and aluminum hot shoe bracket Compatible with DSLR cameras and video cameras. Specifications: Directional pattern: UnidirectionalRange width pickup pattern: 90 or 120 degree Frequency Range: 30Hz-20,000HzSensitivity: -40dB (0dB = 1V/Pa at 1KHZ)Signal to noise ratio: 76dB (1 KHZ at 1 PA)Output impedance: 200 ohmsWeight: 45g (not including battery)Power requirement: (1) 3V CR2 lithium-ion battery (included)Battery life: approximately 800 hours at room temperature