Brand ESER Model JTH Quantity 1 piece(s) per pack Color Black + silver + transparent Material Aluminum alloy + rubber + glass Diameter 17 Compatible Camera Models Gopro Hero1 / Hero2 Functions This set includes optical glass lens rubber waterproof ring short screws (10 pieces). It is used in the lens replacement of the Gopro hero1 / hero2 waterproof case it also includes 170-degree wide-angle lens which can used in the lens replacement of GOPRO Hero1 / Hero2 Other Features This product is ESER JTH 170-degree wide-angle lens set for Gopro2 applies to Gopro 2 cameras. This set includes optical glass lens rubber waterproof ring short screws (10 pieces). It is used in the lens replacement of the Gopro hero1/hero2 waterproof case it also includes 170-degree wide-angle lens which can used in the lens replacement of GOPRO Hero1/Hero2. The features of wide-angle lens are: the visual angle of the lens is wide. The scope of the scenery from one viewpoint by the wide-angle lens is bigger than by human eye; Long depth of field can show rather bi clear scope can emphasize the pictures perspective effect it is good at exaggerating the prospect and showing the overall perspective of the scenery this is beneficial to strengthen the pictures infection. Packing List 1 x 170 degree wide-angle lens 1 x Optical glass lens 2 x Rubber waterproof rings 10 x Short screws 1 x Storage bag