Solar Auto Darkening Welding Helmet

Features 1> Stepless sensitivity adjustment 2> Variable shade control from 9 to 13. 3> CE/ANSI approved 4> Adjustable recover delay 5> Grind mode. Light State DIN4# Dark State DIN9-13# stepless regulation Sensitivity Stepless regulation Grinding Function Yes Dark to Light Stepless regulation Power Supply Inner lithium battery+solar cells Working Hours ≥5000 welding hours Switching Time 1/25000s(Room Temperature) Working Temperature -5°C-+55°C Viewing Area 90*40mm UV/IR Protection DIN16 Helmet Material PP Weight 500g