Features: Absorbs the ultraviolet rays which often make photographs hazy and indistinct Absorbs ultraviolet rays without an increase in exposure provides a clearer image Protects your camera lens from dust moisture scratches and fingerprints Aluminum material with black anodizing and CNC cutting lightweight and reliable Compatible with Yi action cam Specifications: Condition: Brand New Type: UV Filter + Filter Cap Filter Shape: Circular Size: 37mm Material: Aluminum Alloy !#!amp!*! Glass !#!amp!*! Plastic Package includes: 1 x 37mm UV Filter Lens for Yi Action Cam 1 x Lens Cap ( Accessory Only the Camera in the pictures above NOT included)