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