1The lens frame is made of aerograde aluminum alloy with CNC precise machining and anodized surfaces treatment. 2Easy to install and remove, with high definition optical glass production, strong and durable in use. 3Natural night lens filter can effectively reduce light pollution and make the picture show real color and meet the high definition picture quality. 4Adopt doublesided multilayer nanometer coating process, waterproof, scratchproof and oilproof, make the lens surfaces form a protective layer that prevent waterdrop and oil can not absorb the surface, easier to clean and maintain. 5Designed for GOPRO HERO9 motion camera, the lens protective cover replacement filter gives you better night shooting effect. Condition: 100% Item Type: Night LensFilter Material: Aluminum Alloy + Optical Glass Color: Black Product Size: Approx. 32x32x5 mm/1.3x1.3x0.2 in Weight: Approx. 50.0g 1 xNight LensFilter1. Please allow 13cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.