Auto Darkening Welding Helmet: This solar-powered auto-darkening high-impact nylon welding helmet is ideal for all welding applications and designed to meet the most demanding requirements at one incredible price. A large 3.86in. x 1.73in. viewing area makes it ideal for seeing more of the workpiece at once. A lightning fast 1/25,000-second switch time automatically darkens the lens the instant you start welding. Meets ANSI and CSA standards for safety. Meets ANSI and CSA/CE Standards ANSI Z87.1-2003 | CSA Z94.3 testing was done by Colts® Labs to ensure that this Northern Industrial Welders helmet meets or exceeds the nationally recognized standards and delivers the safety and performance you're looking for. Multiple Process Capabilities A welding helmet that can only handle one process isn't always the most useful choice. This helmet is ideal for use in MIG, Arc, Flux or TIG welding processes without compromising its effectiveness. Adjustable Sensitivity Built-in sensitivity control offers the capability to dial in the sensitivity that's right for you. The easy adjustment control lets you choose less or greater sensitivity as needed.