The Eastwood Panoramic Welding Helmet features a true 180 degree viewing area with True Color Technology. It allows a realistic color perception, bringing color to the world of welding. Extra large viewing area True Color Technology allows a color realistic perception Optical Clarity 1/1/1/2 Truly auto dimming across all three filters Main viewing area can be dimmed from shade 3 to 12 Side filters are auto dimmed to shade 11 Lens auto-darkens in 1/10,000th of a second 4 Independent ARC Sensors with adjustable sensitivity and delay controls Extended throat guard for protection Grind Mode CE ANSI and RoHs certified True Color Technology The True Color Technology allows a realistic color perception so you have a much clearer view of what you are welding. 180 Degree Viewing Specifically designed to provide maximum eye and face protection from harmful UV and IR radiation emitted when welding, in a lightweight, comfortable housing. The full 180° view provides additional visibility to the sides for added safety and convenience. Auto-Darkening powered by solar cells and lithium-nickel manganese cobalt oxide (Li-Mn) batteries provide long, reliable life. Meets ANSI Z-87.1 safety standards. Comfortable Head Gear This welding helmet has a 5 way adjustable headgear with sweat band for the perfect fit and comfort while welding. It will comfortably fit a head circumference between 21.6” – 24.8”. External Shade Controls This Eastwood Auto Darkening Welding Helmet has infinitely adjustable sensitivity delay and shade adjustment. The main viewing area can be dimmed from shade 3 to 12, with Grind feature, while the side filters are auto dimmed to shade 11. Grind mode allows you to quickly reshape tungsten, grind spot welds and more without having to the remove the helmet. Contents Welding Helmet with Cover Plate assembled 3 spare outer covers Internal covers Instruction Manual Specifications Side Window: Light state: DIN3 Dark state: DIN11 Viewing area: 2(pcs) x 80mm Top /35mm Bottom x 68mm Height; (2(pcs) x 3.15\" Top /1.38\" Bottom x 2.36\" Height) Main Window: Light state: DIN3 Dark state: DIN 4-8/8-12 Viewing area: 115 x 85 mm (4.53” x 3.35”) Switching time: Main window Sensitivity: Stepless Adjustment, Outside helmet Delay time: Stepless Adjustment Outside helmet 0.15S ~0.8S Shade Adjustment: Outside & Stepless Sensors: 4 Optical class: 1/1/1/2 TIG Capability: >2A Grinding: Outside switch Power Supply: Replaceable Li-Mn & Solar Combination Batteries: (2) CR2450 UV & IR protection: Up to shade 16 Certification: CE, AS/NZS 1338, ANSI Z87.1, CSA 94.3 Warranty: 2 Years Weight: 610G (1.35 Pound) Material of helmet: NYLON Fits Head Circumference: between 21.6” – 24.8 Instructions Safety Always wear helmet gloves and proper clothing when welding to protect from UV and hot metal burns. Warranty 2 year warranty against manufacturer defects.