Product Name: TIG/MIG Auto Darkening Automatic Welding Helmet / Grinding Mask (WH4400203) Model NO.: WH4400203 Trademark: WELHEL Transport Package: Coloured Box Specification: CE, ANSI Origin: China HS Code: 6506100090 Product Description Product parameters[Filter model: WH400]Light state: DIN4Dark state: DIN9-13Switching time: <1/10, 000S at Room TemperatureCartridge Size: 110 x 90 x 8 mm (4-1/3" x 3-5/9" x 4/11")Viewing area: 92 x 42 mm (3-3/5" x 1-7/11")Sensitivity: Inside & Switch(Low/High)Delay time: Inside & Switch (Fast/Slow 0.25S / 0.70S)Shade Adjustment: Inside & SteplessSensors: 2Power Supply: Li-Mi & Solar CombinationUV & IR protection: Up to shade 15Warranty (years): 2Material of helmet: PPAvailable color: Blue/black/silver/redPacking and shippingOur Services1. We supply OEM &ODM service2.Perfect after-sale service3. StrongR & Dteam,strongtechnicalforce,completeproductionbaseandexperiencedmarketingteam4. Competitive price5. Strictly and standard quality control