Tindicating the intensity of the sun are given on
a scale of 0 to 10+, with 0 indicating m

Tindicating 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 THE UV SUNMATE alerts the user of a possible over-exposure to ultraviolet rays fromsunlight. Easy to understand and you do not need any technical background. the LEDS indicate the UV levels the chart is :1 LED (minimal ) 2LED (low) 3LED (moderate) 4LED(high) 5LED(veryhigh)