Product Descriptions: --Brand New and High Quality --Effectively protect the welder's eyes, and avoid different degrees of eye injury caused by arc light. --The arc light emitted during welding can automatically charge the glasses without replacing the battery --Objects can be seen before and after welding. --When the arc light appears, the lens will turn dark, filter the arc light, protect the eyes, and provide work efficiency. Specifications: --Material: PC plastic --Size: 152 x 65mm --Brightness No.: level 4-6