Features: The waterproof case is made with a real machine 1:1 mold, which fits perfectly on the camera. There is no vignetting in the video recording. The lens is made of tempered gla, and the hardne is high. The light transmittance can prevent scratches and can protect the lens very well. Waterproof shell All metal fittings are made of 316 stainle steel and have good seawater corrosion resistance. The waterproof case is water-resistant to 45M, which can be easily handled by the beach or by diving. The matching aircraft screws adopt the human body's mechanics. It is very labor-saving during use, and the waterproof shell can be fixed very tightly and will not be loosened. Applicable models: Only For GoPro Hero 7 Silver & White Action Camera. Note: The camera is not in the sales range.