ND Filter Set: Add a cinematic look to your GO 3S . Get balanced colors and contrast in any lighting, with four unique filters to choose from. Stunning results even on the brightest of days. Motion blur with a cinematic feel: Release your inner filmmaker by applying atmospheric motion blur to your . Awesome long exposure effects: Achieve long exposure effects at night, such as streaky colored lights in city , or stunning star trails. Material: Aluminum alloy + Optical glass colour: Black Package Contents: 4 x Lens Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.