Product Name: Auto-Darkening Welding Helmet (WH6912) Solar Power Supply Model NO.: WH6912 Shape: Customized Mask Type: Safe-Type Color: Printing Material: Nylon Mask Application: Welding Mask Trademark: Welhel/ Neutral package/ OEM Transport Package: Retail Box/in Bulk Package Specification: CE, ANSI Origin: Wuhan, Hubei, China HS Code: 6506100090 Product Description TECHNICAL DEscriptIonFilter model:WH912Light state:DIN4Dark state:DIN9-13Switching time:<0.04mSOptical class:1/1/1/2Cartridge Size:110x 90 x 8mm (4.33 x3.54 x0.31" )Viewing area:100 x 67 mm (3.94x 1.392.64" )Sensitivity:Stepless AdjustmentDelay time:Stepless Adjustment 0.15S ~0.80SShade Adjustment:Outside & SteplessSensors:2TIG Capability:>2APower Supply:Li-Mn & Solar CombinationUV & IR protection:Up to shade 16Weight:470G (1.03 Pound)Material of helmet:NYLON EN175Operation temperature:-5ºC( 23°F)-+55ºC( 131°F)Warranty (years):2Available color:blue/black/silver/red/other patternCertification:CE, ANSIPacking and shippingCertificates