The Frame mount is the smallest lightest way to mount your HERO3 camera. For use with the HERO 3 cameras only. Sleek frame design for low profile compact mounting Lens cap protects camera lens Engineered for optimal sound at speed Compatible with LCD Touch Bac Pac & second generation Battery Bac Pac Note: The Frame mount is NOT waterproof & not optimized for use in extreme conditions where dirt & sharp objects can damage the camera lens.