BOTAO AUTOMATIC --This auto darkening solar welding helmet features anti-ultraviolet and anti-glare infrared radiation.PROTECTION --Welding goggles with adjustable shade are designed for protect the eyes from sparks and harmful radiation under normal weldingconditions.DARKENING FILTER - The automatic darkening filter automatically switches from a light state to a dark state when an arc is struck, and it reverts to light state when welding stops.NO BATTERY REQUIRED - Solar cells, no battery change required,easy and safe to use, lightweight design.APPLICATION --Widely applied, gas welding, steel welding, cutting, welding and so on. Color as shown Size: all size Delivery Quantity: 1set Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.