• Auto darkening flip front lens welding mask can meet different welding needs.Viewing Area:3.94 inch x 2.34 inch (100mm x 59.5mm) .
• Material:PP helmet with true color lens(1/1/1/2 optical clarity rating),lightweight and durable.
• Lens feature:5-9/9-13 darkening shade range and DIN4 in light state,ideal for welding,cutting,grinding.Protect grade against UVB:DIN16. Fast darkening in 1/10000s to reduce strong light.Adjustable delay time:0.1-0.8S.
• 4 Arc sensors and adjustable headgear,comfortable to wear;Powered by replaceable lithium battery and solar,suitable for long-lasting working time.(rated capacity of lithium battery:1200mAh)