Mic-109 Directional Stereo Microphone with 90 / 120 Degrees Pickup Switching Mode for DSLR & DV Camcorder(Black)

1) Model: Mic-109 Microphone 2) Radio head type: capacitive 3) Wireless: Wired 4) Channel Type: Stereo 5) Microphone use: cameras, SLR Camera Performance Characteristics 1) Frequency response: 30 -18000Hz 2) Sensitivity: - 40dB ( 0dB = 1V/Pa at 1kHz ) 3) Directivity characteristics: a single point x 2 4) Output Impedance: 200Ω 5) Signal-to-noise ratio: 76dB (1KHZ at 1 Pa) 6) Maximum SPL: 120dB (at 1kHz harmonic distortion ≤ 1 %) 7) Power supply: DC 3V 8) Battery Type: CR1632 lithium battery (include) 9) Battery life: (at room temperature) of about 60 hours ( with packaging attached to 1.5V alkaline batteries ) 10) Size: about 26mmX85mmX59mm ( Does not include lead, windscreen ) 11) 90 / 120 degrees radio point of view, to collect all / single human voice 12) Suitable for SLR camera, DV camera Specification: Package Weight One Package Weight 0.18kgs / 0.40lb