Large viewing screen gives you a broader view in different kinds of welding operations; effectively to darken the surrounding arc light. Light weight suitable for long time working; Balanced with an adjustable and fatigue-free comfortable headgear.Ideal for various workshop projects that you may have and makes a great gift. Safe structure, 360 protection, enables welders to operate easier. Anti-interference design capable of using under severe circumstance. You can let the helmet do the work of changing the lens and shade for you. Auto-darkening will notice a light source nearby and adjust the filter automatically. The helmet can be applied to electric welding, argon arc welding, gas welding, etc., Weight: 2.20462262 pounds, Manufacturer: YNZUNMY