Lightweight and ergonomic design, this helmet offers outstanding neck and head protection, performance, comfort and reliability. ADF Technology: Internal controls with grind mode setting, 2 x 4 viewing area, variable sh 4/9-13 with sensitivity / delay adjustments and (4) independent auto dimming sensors. Optical Clarity – auto-darkening glass filter has excellent optical clarity, allowing the welder to see more clearly during the welding process, increasing overall productivity. Welding Applications: All-Purpose - MIG, TIG, STICK, GAS TUNGSTEN, FLUX CORED, SHIELDED METAL. Solar and battery operated. OSHA Compliance: ANSI Z87. 1 + High Impact, CSA, CE.