[Wide Compatibility]Designed for GoPro Hero 11/10/9, ensuring versatility across multiple camera models. [Adjustable ND Filter]Features an ND2-400 neutral density filter, allowing for greater exposure control and creative flexibility in various lighting conditions. [Quick Installation]Easy to install and remove, making it convenient for on-the-go adjustments during shooting sessions. [Lens Protection]The ND and UV filters serve a dual purpose by protecting the camera lens and providing dust resistance. [Universal 52mm Compatibility]The adapter ring accommodates any 52mm lens filter, expanding your options for creative photography. [Professional-Grade Materials]Constructed with high-quality aluminum alloy for the adapter ring and optical glass for the ND filter, ensuring durability and optimal performance. Specifications: Adapter Ring Material: CNC-machined aluminum alloy Interface Size: 52mm ND Filter Frame: Aluminum with anodized finish and laser engraving ND Filter Material: Optical glass with polarizing film ND Range: Adjustable from ND2 to ND400