1ND Filter: ND filter can reduce the amount of light entering so that the camera can select the correct exposure value to prevent overexposure. Adopting a coating and dimming process avoids the problem of color deviation in traditional ND mirrors. 2Optical Glass Lens: the lens is made of durable and reliable optical glass, with high definition grinding treatment to make its image clearer. 3Magnetic Suction Installation: The installation method of this filter is magnetic suction installation, which is convenient and fast to operate, and can be used for users to quickly replace the filter. 4Double Sided Multi Layer Coating: This product adopts a multi layer nano coating process, and the lenses have waterproof, oil resisting, stain resisting, and scratch resisting properties. 5Applicable Model: This waterproof camera filter is suitable for Pocket 2, adding special effects to your Pocket 2, making it more creative.1 x Filter1 x Clean Cloth1 x Storage Case