This item is designed for clip onto your existing sun shade to shade the sunshine in the day & prevents car lights at night. Perfect for drivers. - At different levels of effective anti-dazzle degree - Eyes comfort， relieve eye fatigue， effectively protect the safety of driving under the strong light - Blocking the car light in the night - Shading the sunshine in the day - Fatigue， to reduce the harmful light of visual stimuli - Installation is simple， portable - Stainless steel metal screws fixed lens.Material: PP and TPRColor: Yellow， Transparent grayUse: Daytime and NightAdjustable clip range: 12-19cmMirror size: 32*11*0.25cm High-energy ultraviolet light， blue light blocking rate > 75%Visible light through rate > 72.5%Peak transmittance of visible light > 90%The infrared attenuation > 88%Center Wavelength 585 nmSpectrum cut width 110 nmUv-blocking 97.4%1 x Car Anti-glare Goggle1 x Cleaning Cloth