Color: Transparent Shell material: high permeability and corrosion-resistant PC/Germany Bayer 2805 Waterproof/Usage: 30 meters (limit)/The waterproof shell adopts symmetrical locks, the structure and performance are very reliable, the shell body is thicker and more sturdy and not easy to deform. The camera was scratched and scratched. Lens material: Optical imaging tempered glass is used, and the transmittance of the lens material is close to 92%. The AR extra-projection film is coated to make the lens transmittance reach more than 98%. The beads do not remain on the lens surface and affect the shooting effect. Key Material: Silicone Waterproof ring material: amorphous high-activity silica gel Main body and back cover connecting shaft material: high hardness 304 stainless steel Product weight: 145g Total product weight: 255g Product size: length 155* width 73* height 38mm Outsourcing size: length 18* width 105* height 45mm Packaging: Cardboard box packaging Packing list: waterproof case + invisible base + screw