Product Name: Most Popular Type Auto Darkening Welding Helmet (WM4026) Model NO.: WM4026 Shape: Welding Protection Mask Type: Safe-Type Color: Blue Material: PP Mask Application: Welding Mask Item No.: Wm4026 Classification: 1/1/1/2 Filter Dimension: 110x90X8.5mm (4.33X3.54X0.31inch) View Size: 92X42mm Light State Shade: 4 Shade Variable: DIN4/9-13(External Variable) Sensitivity: Internal Variable Delay Time: 0.1-1.0s (Internal Variable) Switching Time: <0.1ms (Room Temperature) Trademark: OEM Transport Package: Package in Bulk Specification: Harness size: 53-63cm Origin: Jinhua City, Zhejiang China HS Code: 6506910000 Product Description 360o ViewSpecificationItem No.WM4026Classification1/1/1/2Filter dimension110x90x8.5mm (4.33x3.54x0.31inch)View size92x42mmLight state shade4Shade variableDIN4/9-13 (External variable)Grinding functionNOSensitivityInternal variableDelay time0.1-1.0s (Internal variable)Switching time<0.1ms (Room temperature)UV/IR protectionUp to Shade DIN15 at all timeTIG ratingEnhancedPower supplySolar cell & Li-batteriesBattery replaceNo battery change requiredOperating temp.-10ºC ~ +60ºCArc sensor2Shell materialPP (Fire-proof)Package1set/color boxWarranty2yearsContact us