Features:Fits all Gopro Hero 3 and 3+ model - white， silver， black.Includes 37mm adapter + 37mm UV filter + 37mm cap.Protect your camera from dirt， dust and scratches.It also can absorb almost all range of UV rays to give clearer and sharper pictures with less haze.Note: There may be a black circle in your photos when you use with this filter; it is a normal phenomenon.Specifications:Compatibility: for GoPro Hero3 / Hero3+Lens diameter: 37mmMaterial: Optical glass， plastic， aluminum alloyAnti-shake: NoViewing angle: 135-170°Focal distance: 0cmItem weight: 17g / 0.6ozPackage size: 11 * 10 * 1.5cm / 4.3 * 3.9 * 0.6inPackage weight: 29g / 1.0ozPackage List:1 * 37mm UV Filter1 * Filter Adapter1 * Lens Protective Cap