Check the listing for details. TGR Panoramic 180 View Solar Powered Auto Darkening Welding Helmet - True Color. Condition: New. Listed at 169.95 USD. Panoramic 180 View Solar Powered Auto Darkening Welding Helmet - True Color 4 Independent ARC sensors with adjustable sensitivity and delay controlsSafer and more comfortable with auto-darkening windowLens auto-darkens in 1/10,000th of a secondGrind: Protection against flying particles (EN175B)Extended throat guard for protectionExtra large viewing areaTrue Color Technology: Allows a color realistic perceptionExternal knob dark shade: Adjusts from #4-10 to #8-12, Light shade #3 Technical Specifications: Side Window: -Light State: DIN3 -Dark State: DIN 10 or DIN 11 -Viewing Area: 2(pcs)x80(Top)/35(Bottom)x68(Height) mm; 2(pcs)x3.15" (Top)/1.38" (Bottom) x 2.68" (Height) Main Window: -Light State: DIN3 -Dark State: DIN4-8/8-12 -Viewing Area: 115x85 mm (4.53" x 3.35") -Switching Time: 2A -Grinding: Outside & Switch -Power Supply: Replaceable Li Mn & Solar Combination -UV & IR protection: Up to shade 16 -Certification: CE ANSI AS/NZS -Weight: 610G (1.35 Pound) -Material of helmet: Nylon Free Shipping to lower 48 States