We keep being told that too much sun is bad for you. But we also keep being told we arent getting enough sunlight. NOW with this neat little Oregon Scientific UV Monitor you can make sure you get just the right amount! The Oregon Scientific UV Monitor lets you monitor how many of the UV rays you are getting. Ideal for outdoor pursuits & vacations, this UV monitor helps to protect your familys sensitive skin. This portable UV monitor measures & records UV levels & displays a UV reading from low to high. It will calculate UV exposure time based on your skin type, sunscreen factor & UV reading. It incorporates a digital clock & coloured wrist strap. The monitor calculates the maximum sun exposure based on the SPF, UV levels & your skin type. It also shows you the current temperature & the time so you can keep an eye on how long you have been in the sun & when its time to go in for a cold beer! Uses 1 x CR2032 battery