Features: [Compact Structure] Small in size and portable to carry anytime, anywhere. [High Sensitivity Detection Probe] Better sense and then adjust the light to improve working efficiency and protect your eyes. [Dual Widen Lens] Enhance impact resistance and wear resistance, eliminating glare protecting against harmful light relieving visual fatigue, durable in use great welding performance. [Headband Design] The headband of the glasses can be adjusted according to the needs of different people. [Dual Power Supply Mode] With the solar panel and the built-in lithium battery, you do not need to worry about unexpected power failure. [Wide Applications] Suitable for grinding, polishing, electric welding, argon arc welding, gas shielded welding, tin welding and other welding. (Note: not applicable to laser welding)