Auto(automatic) Darkening Welding Helmet

This Auto(automatic) -Darkening Welding Helmet is very popular in Europe,Ukrain,America.Modelno.: UN8722Llight state: DIN4Dark state: DIN9-13(stepless adjustment)Switching time:<1/25,000s at room temperatureDelay time: stepless adjustment 0.15s-0.80sSensitivity: stepless adjustmentBattery: replaceable Li-Mi & Solar combination(Min. lifetime: 5,000 welding hours)Viewing area: 100x49mmfilter size: 110x90x8 Material: nylonModel no.: UN8000*THE MATERIAL: NYLON*THREE BOTTON AVAIBLELIGHT STATE: DIN4DARK STATES: DIN9-13(Stepless Regulation))SWITCHING TIME: < 1/10000S at RoomDELAY TIME: Stepless adjustable 0.1S 0.8SSENSITIVITY ADJUSTMENT: Stepless adjustableBATTERIES: Li-Mi & Solar Combination(Min. Lifetime: 5000 Welding HoursOPERATING TEMPERATURE: -5(23)----- +55(131)VIEWING AREA: 98 X 43MMSIZE OF FILTER CARTRIDGE: 110 X 90 X 8 MMRATE OF ULTRA-VIOLET TRANSMITTANCE: 210<λ<313 NM, T <0.00006% 313<λ<365 NM, T < 0.000061%RATE OF INFRA-RED TRANSMITTANCE: 780-1400 NM, T < 0.003%WEIGHT:490G(1.08pound)AVAILABLE COLOR: blue/ black/ silverModel no.: UN8300Light state: DIN3Dark state: DIN11Switching time:<1/5,000s at room temperatureBattery: LI=Mi &solar combinationviewing area: 96x46mmfilter size: 110x90x8mm