iMeshbean Pro Cool Big Skull Fangs Solar Auto-darkening Welding & Grinding Helmet + Extra Lens Covers #1034 USA Brand: iMeshbean;In full conformity with CE and ANSI Z87 standards; 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>Backup battery is replaceable. <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.