Microphone               

capacity style                                           

 frequency:30-18000Hz                                           

27cm length                                                  

sensitivity: -40dB±2dB                                          \

DC::1.5V 1pcs AA battery                           

Suitable to  :Canon：7D/5DII /550D /60D
Sony:CX550E
Nikon :D7000/D90
 PanaonicGH1（need adapter）/SD700
pentax:K7，K-7 K5，K-5

Foxus photography is most professional dealer in China ,we supply not only products but also solution