Features:
It is able to be applied to various situations, such as photographing, video recording, character news interview, etc.
High-sensitivity condenser microphone to enhance the quality of the recording and heart-shaped single-point pickup feature can effectively reduce the noise of surrounding environment.
Aluminum alloy tube can greatly shield electromagnetic interference, adding the shockproof structure, the noise interference caused by DV or other vibration will be reduced effectively.
Powered by 1.5V AA alkaline battery(not included), long running time is up to 100h or so. And with the low battery indicating function, it reminds you to replace the battery in time and easy to install or remove.
It can be installed firmly onto camera via the common hot shoe adapter interface. Compatible for Nikon D7100 D5200 D3200 D800 D600 D800E D7000 D90 D5100 D3100 and more.

Specification:
Condition: 100% Brand New
Material: Plastic + Aluminum Alloy
Color: Black
Monomer: Back electret
Polar Pattern: Cardioid
Frequency Response: 50Hz-16kHz
Sensitivity:-32dB ± 3dB (0dB = 1V/Pa at 1kHz)
Enhanced Sensitivity: +10 dB
Low-frequency Attenuation: 60Hz 10dB / octave
Output Impedance: 2000 ± 30%
Power Source: 1.5V AA Battery(Not included)
Size(L * W): Approx. 22.5 * 8.3cm / 8.8 * 3.3in
Weight: Approx. 359g

Fitment(Included but not limited):
for Nikon D7000 D7100 D5200 D3200 D800 D600 D800E D90 D5100 D3100 D300S D4 D3S 
for Canon 550D 7D 600D 60D 5D
for Olympus E-5; for Pentax K-5

Packing List:
1 x Microphone
1 x Windscreen
1 x Carry Bag
4 x Pairs of Small Rubber Clips
* Camera is not included.