This solar auto darkening welding goggle features anti-ultraviolet, infrared radiation, anti-glare. The welding goggles with adjustable shade are designed to protect the eyes from sparks, and harmful radiation under normal welding conditions. Auto-darkening filter automatically changes from a light state to a dark state when an arc is struck, and it returns to the light state when welding stops. Solar cells, no battery change required. Easy and safety to operate, light weight design. Goggles frames can be adjustable. Automatic variable light lenses lightweight and convenient, with superior impact resistance, the use of more secure and assured. Applicable to: gas welding, steel welding, cutting, welding and so on. Auto-darkening filter automatically changes from a light state to a dark state when an arc is struck, and it returns to the light state when welding stops. Wide applicable: gas welding, steel welding, cutting, welding and so on. Material: PC(lens), ABS Colour: Black Function: solar auto darkening Light Shade: 4-6 Dark Shade: 9-13 Variable light speed: 1/10000s Weight: 113g Package Included: 1 x Solar Auto Darkening Welding Goggle 1 x Black strap Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.