Crystal 2.0 Auto Darkening Welding Helmet

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Crystal Lens Technology and Optrel Autopilot work together to assure a clear view with the right level of protection Features high-contrast, true colour vision Powered by solar cel ls and 2 lithium batteries (CR2032) Features a 'bright to dark' switching time of 0.100 ms at room temperature and 0.070 ms at 55°C Features a 'dark to bright' switching time of 0.1 s to 2.0 s Colour Silver Shade Level 2002-04-12 00:00:00 Viewing Area 3.94"" L x 1.97"" W Weight 460 g Show more