HD 720P Sports helmet camera 
1.Image Sensor: 5Mega Pixels CMOS Sensor    
2.Resolution:HD 1280*720    
3.Video Output:NTSC/HDMI    
4.Audio:Microphone built in,Monomer sound output    
5.Storage:64MB internal memory.Support SDHC card up to 32GB    
6.Lens:120degree   
7.File Format:AVI    
8.Power support:Rechargeable 380mAH Lithium battery(1.5 hours working)    
9.Interface:USB2.0/HDMI    
10.Size:129*53.5*75mm