Tackle welding and grinding projects with ease using the 20702 auto-darkening solar-powered welding helmet from ArcPro. The helmet"s shade automatically darkens in 1/10,000th of a second at the first flash of intense light to protect your eyes from ultraviolet radiation. The shade adjusts between shade DIN numbers 9 and 13 for welding or to shade DIN 4 for grinding. Other features include a 3.86-by-1.61-inch viewing area and an adjustable, padded headband. 20702 Auto-Darkening Solar Powered Welding Helmet At a Glance: Auto-darkens in 1/10,000th of a second Weld and grind modes and variable shade Viewing area of 3.86 by 1.61 inches High/low sensitivity switch The ArcPro 20702 has a variable shade that adjusts between shade DIN numbers 9 and 13 for welding projects (view larger).Fast Auto-Darkening for Optimal Protection Using the ArcPro 20702 solar-powered welding helmet, you can protect your eyes, face, and neck from ultraviolet light while you"re doing welding or grinding work. An auto-darkening feature darkens the shade in 1/10,000th of a second at the first flash of intense light and clears the shade when the welding or grinding stops. Welding and Grinding Modes This helmet offers two modes--weld and grind--and has a variable shade that adjusts between shade DIN numbers 9 and 13 for welding projects or to shade DIN 4 for grinding work. Viewing Field and Adjustable Headband The ArcPro 20702 provides a viewing area of 3.86 by 1.61 inches so that you can clearly see your workspace. A two-way, adjustable, padded headband enables a comfortable fit. Product Information Other features of the ArcPro 20702 include an easy-to-operate high/low switch for sensitivity control and an automatic on/off switch with built-in lithium batteries. The product meets American National Standards Institute (ANSI) Z87.1 safety standards. What"s in the Box ArcPro 20702 auto-darkening solar-powered welding helmet. This helmet offers weld and grind modes along with a high/low switch for sensitivity control (view larger).