The AA-5 is a Vented Helmet Strap Mount that can be attached to a helmet featuring air vents, useful for shooting cycling or motocross. The camera is affixed to the helmet by attaching a strap through the air vents located on both sides of the helmet.
Dimensions (W x H x D): Approx. 3.0 x 0.6 x 2.3 in. (75.5 x 14.0 x 55.9 mm)