Features:
1. During the welding process, the visual object has high definition and can clearly observe that the welding point has achieved the effect of ensuring the welding quality;
2. Novel design, super lightweight and durable shell;
3. Double consideration of light to avoid harmful radiation of ultraviolet and infrared generated by arc, and damage to eyes caused by welding light;
4. Reliable light change, the light change time is less than 10,000 seconds;
5. Advanced light consideration technology, uniform light transmission, clear imaging;
6. The shading number is 4 when not exposed, which provides sufficient light for preparation and precise polishing.