About this product:The waterproof lens is made of tempered glass, supports AF and AR stabilization, and adopts double coating strategy. Winged screws, easy and convenient to install without tools.High light transmission, easy to clean and scratch resistant. Perfect for daily protection or underwater protection.It protects your camera whether it's raining, snowing, icing or in the ocean. Compatible with Gopro Hero 3 and Hero 4.Net weight: 86g. Waterproof depth: 45 meters. Packing list: 1 box, 1 case, 1 set. Usage: hiking, diving, swimming, surfing, traveling, cycling, running, selfie, air navigation.The package includes:1 case.If you have any questions during the shopping process, please feel free to ask us. Wish you happy shopping.Thank you for your cooperation, we will make you satisfied.