Applications TIG welding, MIG welding, arc welding, plasma cutting, etc Features 1). High quality LCD sheet. 2). Variable shade control, sensitivity and delay time. 3). Cartridge size:110X90mm, adapted to may different helmet shell. Light State DIN4# Dark State DIN9-13# stepless regulation Sensitivity Stepless regulation Low Battery Indicator Yes Grinding Function No 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 98*48mm UV/IR Protection DIN16 Helmet Material PP Weight 500g