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: 37mm
Material: Optical glass， plastic， aluminum alloy
Anti-shake: No
Viewing angle: 135-170°
Focal distance: 0cm
Item weight: 17g / 0.6oz
Package size: 11 * 10 * 1.5cm / 4.3 * 3.9 * 0.6in
Package weight: 29g / 1.0oz

Package List:
1 * 37mm UV Filter
1 * Filter Adapter
1 * Lens Protective Cap