Features 1、Auto Darkening Technology: Welding glasses automatically darken when exposed to an arc, ensuring eye safety during welding, and automatically lighten when welding stops. 2、Solar Powered: Welding glasses is equipped with solar power design, eliminating the need for battery replacement, suitable for various welding processes including gas welding, steel welding, cutting, and more. 3、Adjustable Light Shade: Welding glasses with adjustable lampshade defend eyes from sparks and harmful radiation during normal welding conditions, providing reliable eye safety. 4、Lightweight Design: Adjustable frame length and lightweight auto darkening lenses offer convenience and superior impact resistance, ensuring comfortable wearing during long working hours. 5、Durability: Constructed with PC, ABS, and soft rubber materials, the welding glasses effectively block UV, infrared radiation, and glare, providing long lasting eye safety. Specification Item Type: Welding Glasses Auto Darkening Material: PP, ABS Shade Number: DIN9 DIN11 DIN13 Power Supply Mode: Solar Power, Battery Battery: CR2032 Button cell x 1 [Battery not included] Usage Scenario: Welding, Gas Shielded Welding, Argon Arc Welding, Cutting, Brazing, etc. Main Function: Defend eyes from glaring, block welding slag splashing Package List 1 x Welding Glasses