VANELC UV Reusable Test Card, with UVC Light Wavelength Indicator and Intensity Test,Light Multi-Function Tester for UVC Phone Cleaner, Phone Box, Light Wand and Other UV Devices

VANELC UV Reusable Test Card, with UVC Light Wavelength Indicator and Intensity Test,Light Multi-Function Tester for UVC Phone Cleaner, Phone Box, Light Wand and Other UV Devices Multiple applications: these light tester strips can be applied for testing UV wand, UV bag, UV phone box and other UV devices with UVA, UVB or UVC Easy to use: Take a light test card under the light. If the card turns into a luminous color, it means that your device is a valid light.UV dosimeter color strip concentration is directly proportional to UV intensity (higher intensity equals darker color) Reusable: These UV testers are not paper, but made of PVC material, which can be used repeatedly to reduce waste. Larger test range: UV A/B/C/D wavelength can be tested, the test range is 0-500nm, UVA 320-400nm, UVB 280-320nm, UVC 200-280nm, UVD 100-200nm. Universal size: The size of each test piece is 85 mm x 55mm x 1mm, which can be used in a variety of scenarios and is easy to carry.