The Xtreme Action Series 3.5" Suction Cup Mount from Bower is used to adhere your GoPro to smooth, flat surfaces, such as the windshield or body of motorcycles, boats, cars, or other motor vehicles. It features a 3.5" diameter suction cup, a tilting arm, and a swivel head for flexible camera positioning and angle adjustment. The head has a 1/4"-20 cameras screw for compatibility with a wide range of action cameras and includes a 3-prong mount adapter for use with GoPro cameras.