Replaceable camera lens for Gopro Hero 1/2  170 degree wide angle
M12 screw thread

Features:
170 degrees field of view.
M12 thread interface.
Compatible with Gopro Hero 1 and Hero 2.

Specifications:
Color: Black
Whorl: M12
Compatible: For Gopro Hero 1 and Hero 2
Dimensions: Approx. 17 * 20mm / 0.7 * 0.8in (L * W)
Weight: Approx. 14g / 0.5oz

Package included:
1 * Wide Angle Lens Replacement

1* Lens Holder