Solar panel: Solar panel design, more convenient to use without charging. High light transmittance: good light transmittance, clear vision, anti- light, eye protection High-sensitivity probe: Eye-perceived flash light change is fast and does not hurt the eyes T-class variable light lenses, 3 levels of darkness can be easily adjusted, no charging required. Adjustable darkness variable light screen, 108x50x5mm standard size, A-type lenses are dark green, B-type restores the 0.01 millisecond dimming saves eyes: Upgraded dimming lens quickly dims light in 0.1 milliseconds, compared to 0.25 milliseconds before, the sensitive lens has a clearer vision Effectively blocks harmful light: for Crystal layer + multi-layer polarizer + red reflection filter multiple protection to achieve anti-dazzling, clear vision and eye protection effects, Weight: 0.09700339528 Pounds, Manufacturer: Hipzeepo