Features:
a. Directional Condenser Microphone

b. Low Noise Circuitry-- It can filter sound which does not emanate from the main direction and reduces vibration noise during autofocus

c. Integrated Shock Mount and Windshield

d. Fixing Cushioned Anti-vibration. It can protect microphone and extend its life time.

e. Built-in Hot/Cold Shoe Mount with 1/4 Thread. It can meet multi-needs to achieve perfect and ideal shooting effects.

f. Connect to the Camera via the 3.5mm Mini-plug

g. The microphone base fits with almost camera camcorder.

h. Broadcast-quality Microphone. It can create the true nature of sensory experience

i. Compact, Ultra-portable Design.

j. Reinforced PC+ ABS Construction

k. 1.5V AAA Battery(not included)

Specifications:
Transducer :condenser microphone
Directional Pattern :Directional
Frequency Response :38-20,000Hz
Sensitivity: -40dB +/- 3dB / 0dB=1V/Pa, 1kHz
Signal to Noise Ratio :75dB or more
Output Impedance :1.0k Ohm or less
Power :1.5V battery
Output Connection:3.5mm mini-jack
Plug:mini-pin plug (3.5mm)
Dimensions(L*H*D) :109*75*18mm
Net Weight: 62g

Compatible with:
Nikon: D800,D800E,D3200,D600, D5100, D7000,D300s, D3s,D4,
Canon: EOS 6D, 650D, 1D, 5D Mark IV, 7D, 60D, 600D/Rebel T3i, 550D/Rebel T2i,550D,5D,
Canon: LEGRIA HF G10,HF M41,HF S21
Penta: K7,K-5
Sony: A55,A77, A99

Package Includes:
1 x BY-VM01 Directional Condenser Microphone
1 x Windscreen
1 x Portable Bag
1 x User Manual