and high qualityThis is high quality Solar Auto Darkening Welding Lens Filter,with solar charge function and full automatic ON/OFF,very convenient and efficientIt can shade automatically in welding states and filter out the lightYou will have a good protection with it at working and precent occupational diseaseIf you want to get a effective and safety environment,It Fits all standard welding helmet window openingFrame set size: 108mmX51mmX5.5mmWindow size:90mmX32mmBright color level: DIN3Dark color grade: DIN11Dark color adjustment : NoDimming response time: 5/10000SSensitivity control adjustment: YesRecovery time: 0.2SPower supply: solar + lithium batteryRated capacity of lithium battery: 60mAhWorking temperature: -20 degrees Celsius ~ 65 degrees CelsiusArc welding sensor: 2 pcsInfrared/UV protection level: DIN16Self-test function: NoLow voltage alarm function: NoPolishing function: NoCutting function: NoWith LED light: NoDarkness range: not adjustableSolar automatic darkening welding filter suitable for argon arc welding/mm/arc/mig machinesColour:Photo ColorMaterial:PA/PPPackage Contents:1x Welding LensOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.