DarkHorse 37mm UV Filter with Lens Hood + Lens Cap for GoPro Hero 3+, Hero 3 Plus, Hero 4 Camera Improve the picture quality, but also protect the lens from dust, fingerprints and other negative affects Compatible with Hero3, Hero3+ / Hero3 Plus, Hero4 cameras Reduce absorption lights with wavelength lower than 400 nm and some blue lights, avoiding your photo appears to have too much blue color Package included:- 37mm UV filter x 1- Lens hood x 1- Lens cap x 1