Item Type: Underwater Camera Waterproof CaseMaterial: PC, Tempered GlassApplicable: for DJI OSMO ACTION3 action camera1 Applicable Model: This underwater waterproof shell is applicable for DJI OSMO ACTION 3 action camera, please confirm the model before use. 2 High Light Transmittance: The waterproof shell lens is made of tempered glass, and adopts high light transmittance film, anti fog film and HD film, which can make your camera take better light transmittance and clearer photos and videos. 3 40m Deep Waterproof: This camera protective case is 40 meters deep waterproof, ensuring that you can record better innovative videos underwater. 4 Touchable Rear Cover: The rear cover is designed as a touchable back cover, which can operate the machine normally underwater without affecting the use. 5 Oxidation Anodizing: The underwater shell keys are made of aluminum alloy, and the oxidation anode is processed by CNC, which is durable.The empty waterproof shell shall not exceed 5 meters for water depth test. If the machine is installed normally, the waterproof depth can attain 40 meters