Welding helmet with larger internal space; DIN9～DIN13 for dark mode;Reacting in 1/10000 second.
A style of ear protector with high performance-price ratio, the adjustable head band fits for different head forms;
LED light for using at night.
For using at night and in working condition of poor natural lighting.
Face shield of the safety mask is made of the polymethyl methacrylate with nice prototype image.