PULUZ Professional Interview Condenser Video Shotgun Microphone with 3.5mm Audio Cable for DSLR & DV Camcorder

Features1. The CR2 3V lithium battery lead to long working time. 2. 2-range settings: Normal and tele. 3. Double back electret type capacitor microphone(stereo sound input). 4. Wild using rang: DSLR cameras camera DV recording professional news receiver. 5. Portable 3.5mm Video audio output line. 6. Removable cassette convenient for news interview microphone.Parameter1. Type of Transduction: Capacitive. 2. Polar Pattern:Hypercardioid. 3. Acoustical Principle:linear Gradient. 4. SNR:70dB(1KHZ At1 Pa). 5. Max SPL: 120dB@1khz 1%THD Into 1K Load. 6. Geometric Noise: 20dB SPL. 7. Dynamic Range: 135dB_SPL; Frequency Response: 30-15000HZ. 8. Sensitivity: -40dB+/-20dB=1V/Palkhz. 9. Power Supply: 3V. 10. Impedance: 200ohm. 11. Effective distance of pickup: 4m. 12. Validity of battery: 600 hours. 13. Size of microphone tube: 22*180mm. 14. Cord length and configuration: 0.5m. 15. A microphone's weight: 120g. 16. Output: Unbalance. 17. Switch: Slide.