Antra ATH-4200 Auto Darkening Welding Helmet with Variable Shade 4/9-13 with Grinding Feature

The Antra auto-darkening welding helmet features built-in integrated circuits that can control the filter to darken precisely during the welding processes, therefore protecting the welder's eyes.

Antra ATH-4200 Auto-Darkening Welding Helmet with Variable Shade 4/9-13 with Grinding Feature: Colts Lab approved ANSI Z87.1, CSA Z94.3 Standards Superior auto-darkening lens for ARC MIG TIG welding Variable shade control: shades #9 to 13 Solar power cell design with two replaceable lithium batteries Continuous delay time (0.25-0.8s) / sensitivity control Cheater lens-compatible design Full automatic power on/off Auto darkening helmet can be used for MIG/MAG, TIG and ARC welding Switch for grinding and cutting mode (shade 4) very light design weighs only 500 grams Viewing area: 98mm X 44mm / 3.86 X 1.73 Light state: shade DIN4 Dark state: shade DIN9-13 Switching time from light to dark: 0.00004 Helmet material: high impact polyamide nylon Automatic welding helmet operating temperature: 14 to 131degrees Fahrenheit Storage temperature: -4F to 158F Warranty: two years