640*480 Helmet  camera with Microphone built in

1.Image Sensor:1.3Mega Pixels CMOS Sensor    
2.Resolution:VGA640*480(50fps),QVGA:320*240(50fps)    
3.Video Output:NTSC/HDMI    
4.Audio: built in Microphone,Monomer sound output    
5.Storage:64MB internal memory.Support SD card up to 8GB    
6.Lens:120degree
7.Power support:Rechargeable 380mAH Lithium battery(80 Minutes working)   
8.Interface:USB2.0/HDMI    
9.Size:100*55mm