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,
8. Frequency Response: 30-15000HZ.
9. Sensitivity: -40dB+/-20dB=1V/Palkhz.
10. Power Supply: 3V.
11. Impedance: 200ohm.
12. Effective distance of pickup: 4m.
13. Validity of battery: 600 hours.
14. Size of microphone tube: 22*180mm.
15. Cord length and configuration: 0.5m.
16. A microphone weight: 120g.
17. Output: Unbalance.
18. Switch: Slide.