For Insta360 X5 PULUZ Snap-on Optical Tempered Glass Lens Guard Protective Cover (Transparent) Features 1. Material: PC + optical tempered glass, pressure-resistant and corrosion-resistant 2. Optical tempered glass lens with a hardness of 9H. Optical tempered glass is about ten times harder than plastic protective lens. The surface hardness of plastic is generally 1H, while that of tempered glass can reach 10H, No longer afraid of scratches, more durable and more transparent than plastic protective lens. 3. The transmittance of the lens material is close to 92%, and the AR coating layer is applied to increase the transmittance of the lens to more than 98% 4. The lens is coated with a waterproof film layer, with a drip angle of 115 degrees, and no water droplets remain on the lens surface to affect the shooting effect 5. The snap-on installation is adopted, which is simple and convenient to install and disassemble Package List 1. Snap-on protective lens x 1 2. Alcohol cotton x 2 3. Instruction manual x 1