Detail Kacamata Photochromic Anti radiasi Empat persegi panjang Frame Wanita Pria
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The photochromic eyeglasses undergoing a reversible change in color or shade when exposed to light of a particular frequency or intensity.that is , if you test it by hands only , it didn't work .
how to test it's photochromic?
first : you need a good weather.It means the sun has to reach a certain intensity .
second : let the photochromic eyeglasses exposed to the sun fully
last: please wait patiently
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Color: 3 colors
Gender:Unisex
Lens Material: PC
Frame Material: Metal
Lens Attribute:UV400/ Radiation protection/ Photochromic
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