The microphone can be fixed on the DV with microphone hole and path. 
The MS stereo system enables a natural sound pick-up. 
Delivering a stereo sound image with superb clarity. 
The pickup pattern (affecting the soundstage width) can be set to 90 or 120 according to the sound. 
3.5mm MIC socket and 1/4" standard hot shoe. 
With a windscreen and a 3V CR2 battery. 
For Canon for Nikon for Pentax for Olympus for Panasonic Digital SLR Camera. 

Specifications: 
Frequency Response: 30-15000 Hz 
Sensitivity: -40dB±2dB(0dB=1V/Pa1KHz)
Type: MS (Mid - Side) stereo wire 
Length of cable: About 11.02 inch / 28cm  
Power Supply: 1* 3V CR2 battery  
Battery life: About 800 hours 
Item Size: approximately 13 * 6 * 2.2cm


Package List:
1 * Microphone 
1 * Windscreen 
1 * 3V CR2 battery