It is the ideal choice for TIG/MIG/ARC weldingand grinding. Light state: DIN 4, Dark state: DIN 5-9/9-13. 180° LARGE VIEWING SCREEN - Enjoy a wide field of view of 3.94" x 7.06", including a 3.94" x 3.66" auto-darkening screen (DIN 16) and two non-auto-darkening 3.94" x 1.70" side views (DIN 5).