V-MIC D1 Directional Condenser Shotgun Microphone 1) Super-cardioid polar pattern 2) Superior isolation from camera system 3) 360 Degree Pan / 180 Degree Tilt 4) Low self-noise 5) Low-cut filter 6) Wind screen and windshield 7) Low power warning 8) Superior RF Immunity 9) Cold shoe mount and 1/4 inch mount, Supports many shooting accessories with 1/4 inch screw. Hot shoe mounted on camera for simultaneous video shooting. Easily mounted with Magic Hand Specification: 1) Transducer Principle: Back Electric Condenser 2) Dynamic Range: 114dB 3) Polar Pattern: Super Cardioid 4) SPL: 134dB 5) Frequency Range: 20Hz~20,000Hz 6) THD: Less than or equal 0.5% 7) Output Impedance: 200ohms 8) Power: DC3.0V (AAA 1.5V x2 not included) 9) Sensitivity: -30+/-2dB 10) Signal to Noise Ratio: 74dB 11) Battery Life: Greater than or equal 200h 12) Dimension: 155.7mm x 43.6mm x 91.3mm 13) Weight: 90g