1. The large viewing window provides a clear and wider field of vision and reduces eye fatigue.2. With a solar panel to charge the battery in the welding mask, which can extend the life of the welding mask.3. Use of a high-sensitivity arc sensor, stable and reliable performance.4. Automatic darkening glasses are designed to protect eyes and face from sparks, splashes and harmful radiation under normal welding conditions.5. This gives you good worker protection and prevents occupational diseases.Specification:Features:The large viewing window provides a clear and wider field of vision and reduces eye fatigue.With a solar panel to charge the battery in the welding mask, which can extend the life of the welding mask. Use of a high-sensitivity arc sensor, stable and reliable performance.Automatic darkening glasses are designed to protect eyes and face from sparks, splashes and harmful radiation under normal welding conditions.This gives you good worker protection and prevents occupational diseases.Specification:Material: PA/PPType: TX600CWeight: approx. 117gSize: approx. 110 x 90mmThickness: 9mmShading: 1.5*10Battery: Button battery (included)Package list:1 * Welding glassesNote:Please allow minor errors due to manual measurement. Thank you for your understanding.Please note that the mirror color of this product is chosen randomly, and make sure you don't mind before ordering.