iMeshbean Solar Power Auto Darkening Welding Helmet with Wide Shade Range 4/5-9/9-13 with Grinding Feature & 2 pcs Extra Lens Covers for ARC MAG MIG MMA Stick TIG Plasma Cutting (Carbon Fiber) Brand: iMeshbean;In full conformity with CE and ANSI Z87 standards;Battery replaceable Can be used for Arc, Mag, Mig, Mma, Stick & Tig Welding, or Plasma Cutting Full range UV/IR protection up to shade DIN 16;Darkness shade control (DIN) from 9-13, Clear shade 4 Auto switching time: light to dark:1/30,000 S;Charges with exposure to welding or sunlight Viewing Area: 96mm x 48mm;adjustable shade control Eliminate long wearing uncomfortable, avoid the mask loose, let the staff in the high altitude used more securely,freely adjusting the button size to fit for different shapes of man&#039;s heads. <span class="a-text-bold">The Battery Card Slot: </span>with Backup battery . <span class="a-text-bold">Delay Time Adjuster:</span> Adjust the auto darkening welding filter from the dark to light time. <span class="a-text-bold">Sensitivity Adjuster:</span> Adjust the sensitivity according to the operation situation. <span class="a-text-bold">High Quality LCD:</span> Light evenly, image clearly. Solar Cell + 1X CR2032 installed (Replaceable) Effectively protect your eyes from sparks, spatter and harmful radiation.