... 8G SD card;4, Free hand, particularly suitable for outdoor use such as swimming, biking, hunting, surfing, boating ... be easily worn on the helmet, front, sailing or any other place6, 2 5, battery-powered, easy ... , bicycle head, arm, wrist and upper and outdoor tourism or watch the game, easy video.5, operation is ... VGA CMOSSelectable Evolution:640*80(30or15 FPS) or 320*240(30or15 FPS)Video Output:AVIUSB:1 ...