· The multi-layer nano coating process gives the lens high quality waterproof, oil, stain and scratch resistance, and restores the true color, Light weight, durable, all-round protection lens, does not fade or rust. | · Hd professional optical glass with high durability and scratch resistance, multi-layer nanocoating process to ensure clear imaging and meet the high pixel imaging standards during shooting. | · Magnetic design for easy installation and removal. The frame is made of lightweight aluminum alloy, It has strong adsorption force, so you don’t have to worry about it falling when you enjoy shooting. | · The ND16, ND64 and ND256 action camera filters, featuring light reduction by 4, 6 and 8 stops, provide precise exposure control during dynamic outdoor activities. They effectively prevent overexposure and elevate image quality across a range of sunlight conditions | 【CPL filter】It helps to reduce glare and unwanted reflections from surfaces such as water, glass, and nonmetallic objects, which will enhance the color and clarity of your aerial shots. The UV filter shields the lens from scratches, dust, and harmful UV rays, resulting in sharper, more captivating images | · Set includes 8 types of filters "ND16, ND64, ND256, Wide-Angle Lens, CPL, 1/4 Black Mist,Blue Streak Filter, Macro".