1Fast test, fit for color changing lens, anti-blue light lens, ordinary lens. 230s/60s Timing function, select timing and the LED lamp will automatically turn off after 30s/60s. More convenient to use and operation. 315 LED purple lights to check whether the lenses are discolored and anti-blue light lenses. Suitable for both professional and general home use. 4Quality plastic material manufacturing ensure maximum durability. 5Lightweight and compact machine designs, easy to carry and storage.
