.Promotional Skincare UV Tester indicating the intensity of the sun are given on
a scale of 0 to 10+, with 0 indicating minimal exposure and 10+ indicating very high and dangerous UV levels 0-2 minimal, 3-4 low, 5-6 moderate, 7-9 high, 10+ very high Promotional Skincare UV Tester alerts the user of a possible over-exposure to ultraviolet rays from sunlight. Easy to understand and you do not need any technical background....