5 Sets UVC/UVB Test Card-Test for All UVA/UVB/UVC Device Such as/Phone Cleaner/Phone Box/Handheld Light Wand and Other Device with UVC/UVB Light

A specially formulated ink chemistry that is sensitive to only UV-C This ensures only wavelengths between 200-280nm are shown in glow green Feature: Instant UVA/UVB/UVC testing card provides you with real-time results When exposed to UV-C light Green Dot card -test device with UV-C light?it shows glow green when exposed to UV-C light Purple Dot card -test device with UVA/UVB light,it shows purple color when exposed to UVA/UVB light Support: All- UV-C Device with UVA/UVB/UVC light Note: