Feature: 1. Wide Applicability: Using real machine mold, 4 in 1 ND4 ND8 ND16 ND32 camera lens filter is specially designed for DJI Action 2 motion camera. 2. ND Filters: Prevent overexposure, resist scattered light, reduce shutter speed, prolong exposure time, eliminate reflection, increase saturation, and bring more space for photography creation. The number after ND represents the dimming capacity. 3. Manufacturing Material: Lens is made of optical glass, high definition grinding processing, high light transmittance, frame is made of aluminum alloy, magnetic suction attached, easy installation and disassembly. 4. Nanometre Coating Process: Double sided multi layer nanometre coating process, the lens has waterproof, oil proof, anti scratch properties. 5. Diverse Features: ND filter set, small size, easy to carry, with storage box, can be put in the pocket or backpack to carry, can obtain special photographic effect. Specification: Item Type: ND Filter Set Weight: Approx.66g / 2.3oz Material: Aluminum Alloy + Optical Glass Applicable Model: Fit For DJI Action 2 Action Camera. Package List: 1 x ND4 Filter 1 x ND8 Filter1 x ND16 Filter 1 x ND32 Filter1 x Clean Cloth