Patent ID: 8897100

Claim:
A portable device for indicating when a user should reapply a sunscreen product comprising: a substantially waterproof housing having a front surface and a rear surface; a clip located on the rear surface of the housing for attaching the housing to an object; a timer located within the housing, the timer pre-loaded with a fixed, pre-set amount of time corresponding to a recommended amount of time to reapply a sunscreen product; and a start button located on the front surface of the housing wherein when the start button is depressed, the timer counts down from the fixed, pre-set amount of time to zero whereupon, when zero is reached, an indicator is activated to notify the user that the fixed, pre-set amount of time has elapsed and it is time to reapply the sunscreen product; and wherein the housing is made of a UV sensitive plastic coating, and wherein the UV sensitive plastic coating changes color proportional to exposure to sunlight over the duration of the pre-set amount of time.