This Jackson Safety HSL 100 Welding Helmet is built with four independent sensors (with 2 replaceable solar-lithium batteries) positioned to reduce possibility of blockage during welding with a large viewing field of 3.8" x 2.35". Variable shades from 9 to 13 to shield and protect eyes from radiant energy during weld; This amber view lens has sensitivity and delay adjustments for different tasks, enabling welders to enjoy enhanced clarity of the weld puddle. Versatile 3-in-1 built in function with weld, grind and torch modes, this welding helmet meets ANSI Z87.1-2010 standards and is CSA compliant. Established in 1933, Jackson Safety has built a century long reputation for delivering the most innovative safety solutions in the welding and personal protective equipment industries. When it comes to providing safety solutions with long-lasting value, durability and comfort, Jackson Safety has set the standard. Whether the need is for welding protection in a steel fabrication environment, head protection on a construction site, or hearing protection at an airport, Jackson Safety provides the widest range of safety choices to meet the needs of every job and every worker.