For Action 5 Pro & 4:Compatible with for Action 5 and for Action 4 (Action 4 Adventure Vlog ) equipment, this ND (neutral density) lens filter p ography accessories kit is perfect for POV of surfing, snorkeling, kayaking, skiing, mountain biking, skydiving, skateboarding, and other sports. Effortless Exposure Balance:ND8, ND16, ND32, and ND64 filters reduce light by 3, 4, 5, and 6 stops respectively. They help you precisely balance exposure, prevent overexposure during long exposure p ography, and capture dynamic motion blur effects using slower shutter speeds and larger apertures. Multicoated HD Optical Glass:HD optical glass deliver exceptional image quality with 30 layers of protective nanometer coatings on both sides to resist water, oil, dust, and scratches. Sleek Aluminum Alloy Frame:features a slim aluminum alloy frame with CNC precision machining for durability and reliability as content creator essentials and influencer must have. Easy Thread On Attachment:Thread on design allows for easy installation and removal while keeping the filter firmly in place during intense outdoor activities. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: As Shown Material: Optical Glass + Aluminum Alloy Package Contents: 1Set x ND 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.