1. Automatic dimming: Switching time of this welding mask from bright to dark only 0.1 second, and the shading effect can be adjusted in 9~13 levels. 2. LCD dimming screen: When the arc light is generated, it will become dark instantly from the normal state, and return to the normal state after the arc light disappears. 3. High specification build: Liquid crystal smooth lens, high-definition automatic dimming lens, clear vision. PP hat top, resistant to high/low temperatures, falling and freezing resistance, easy to handle various environments. 4. Solar powered: rechargeable by sunlight and arc light. Regulating valve to adjust the distance between the screen and the face. An integrated fall prevention screen, free from welding slag, and resistant to pressure and fall, effectively protecting the face from injury.Product DescriptionSPECIFICATIONSMaterial: PCProduct size: 28cm*20cmPackage inlcuded:1*Mask