Солнечная Сварка Шлем

Solar Welding Helmet Solar Cells ,no battery change required CE certificate,high quality 1)The shade number can be adjusted by the outside knob at the range of DIN 2) 9-13(Stepless Adjustable). 3) "WELDING"/"GRINDING"can be selective 4) Delay time(time from dark to light)can be adjusted according to your needs. 5) Sensitivity can be adjusted according to your environment 6) Use high quality LCD and multilayer optical interference filter,provide clear view and permanent UV/IR protection up DIN 15 7) Made mask of nylon plastic,have high enough strength and operation temperature to welding 8) Lightest weight helmet comfortably to wear