brand new and high quality
The color changing lens changes a few seconds after it is placed in the test area.
Press the anti blue light lens on part of the blue light test card and put it into the test area. The color of the unobstructed part of the blue light test card becomes darker.
15 led purple lights, arc design, wider detection range.
Lens tester is equipped with 15 LED lights, low heat, low power consumption, energy saving and environmental protection.
Used to test whether the glasses/lenses block blue light or color changing.
Specification:
Material:ABS
Type:European Standard Plug/British Standard Plug
Size:21x12x8cm/8.26x4.72x3.14inches
