1. UV & SPF Tester that can check low, mid, high or highest level of sun UV radiation

and corresponding SPF of cosmetics;
2. The center area of the UV & SPF tester can change colors according to sun UV

radiation, higher the sun UV radiation,
 deeper the color change, compare the color change to the 4 standard colors(low, mid, high,

highest) around and you can
see
low, mid, high or highest level of sun UV radiation and the corresponding SPF of cosmetics.
3. This product is very good marketing premium for cosmetic & drug industry. You can use

it to check sun UV radiation and
SPF of cosmetics to decide how to protect your skin and how to use cosmetics and how to do

sun protection in outdoor
activities to avoid sunburn.
4. Sun UV Index & Corresponding SPF of Cosmetics:
   UVI1-2(Feeble), SPF <5,
   UVI3-5(Moderate), SPF <10,
   UVI6-7(High), SPF< 15,
   UVI8-11+ ( Very High / Extreme ),