Ľ˝Auto Dimming Design: The Auto Dimming Filter automatically changes from a bright state to a dark state when an arc is generated, and returns to a bright state when the welding stops, providing each worker with a clear view to release their hands Ľ˝Environmental Protection and A Wide Range Of Applications: Solar cells, no need to replace the battery and manual charging; easy to operate and safe, lightweight design; suitable for electric welding, gas welding, steel welding, cutting, welding, etc. Ľ˝Easy to Use: The goggles temples are made of imported soft rubber and are ergonomically designed for long-term wear. The temples can be adjusted in length and will not slip easily, which is convenient for most workers. Ľ˝High-quality Materials: Glasses lenses made of high-quality PC materials can resist strong impact and glare Product Lens material: PC Power: Solar Variable speed: 5 / 25000s Shadow: 4-6 Dark shadow: 9-13 Delay time: 0.1s~3s Anti-scratch: anti-scratch coating on the mirror surface Anti-glare: reduce glare Anti-shock: prevent strong impact and increase lens strength Wear resistance: wear resistance, continuous use