Use: Daytime and Night Material: PP + TPR Color:Transparent gray,Yellow Lens size: 32 x 11 x 0.22cm Adjustable clip range: 11.5 ~19cm / 4.5~7.5in Installation is simple, portable. Stainless steel metal screws fixed lens. Eyes comfort, relieve eye fatigue, effectively protect the safety of driving under the strong light At different levels of effective anti-dazzle degree Shading the sunshine in the day Strong light blocking rate is about 2.6% Center wavelength 585. Clarity more than 2 times higher than conventional lenses Anti-UV 97.3, isolation of ultraviolet (uv) light (315 nm- 308 nm) Blocking the car light in the night Fatigue, to reduce the harmful light of visual stimuli