Description: It is suitable for work such as welding and cutting work, such as welding and high-light work, and gives priority to eye and face. Large window screen with clear view, no fatigue, and more visible angle when welding. Eye protection: Double filter, avoid harmful radiation of ultraviolet and infrared rays generated by arc, and damage to eyes caused by welding strong light, to prevent the occurrence of electro-optic ophthalmia. Face protection: Effectively prevent splashes and harmful substances from appearing on the face and reduce the incidence of skin burns. Respiratory protection: airflow guidance, effectively reducing the harmful gases and dust released by welding, causing harm to the body and preventing the occurrence of pneumoconiosis occupational diseases. Specification: Frame group size: 108 × 51 × 5.5 mm /4.25 x 2.00 x 0.21 inch Window size: 90 × 34 mm / 3.54 x 0.33 inch Bright color level: DIN3 Dark state color grade: DIN11 Dark state color adjustment mode: internal control, stepless adjustable Dimming response time: 5/10000S Induction sensitivity control adjustment: stepless adjustable Recovery time: 0.2S Power supply: lithium battery / solar energy Lithium battery rated capacity: 60mAh Whether the battery can be replaced: no Working temperature: -10 ° C ~ 65 ° C Number of arc sensors: 2 Mask material: PA/PP Infrared / UV protection rating: DIN16 Package Includes: 1 piece welding cap