Our product is head-mounted welding helmet with 10 protective sheets. It is head-mounted and powered by solar. It provides you with the suitable fit , comfort and adaptability. And it has the advantages of solar powered, large viewing screen, automatic darkening, 8-level shading. You can perfectly use it for welding to protect your eyes. Features -Mask Type: Half Mask Type -Light-Shielding Level: 8-Level Shading -Service Life: 1-2 Years -Applicable Scene: Various Welding Indoors and Outdoors -Temperature Range: 130 degree centigrade ~ -40 degree centigrade -Color:Black -Material:PP -Size:30.00X20.00X20.00cm/11.79X7.86X7.86in The use of heat insulation design helps prevent auto darkening welder mask damage within a certain range. With large viewing screen design, this automatic darkening welding mask provides a wide field of view for welders. This welder mask has auto darkening function,which can complete the from light to dark in milliseconds. The welding helmet is solar powered, which effectively convert the light generated during the helmet's use into electricity, extending its service life. By using this head-mounted welder mask, you can be protected from injuring while cutting, welding, polishing, etc. Package list: 1 x Welding Helmet with Headlamp 10 x Protective Sheets