If you’re going to Cancun (or any other hot destination) for this spring break, don’t forget to bring along a UV Hawk Ultraviolet Sunlight Meter. It will let you know whether you’re in danger of getting a sun burn. Some features include: measuring UV index in seconds, adjustable skin tone settings , sun alarm, and thermometer. Amazonsells these units for $29.99 a piece. Clip-on strap, tester, and battery included.