Before you're well done
Whether you are close to home or traveling to an unfamiliar destination, it's hard to gauge the strength of the sun's harmful ultraviolet (UV) rays. Oregon Scientific's Personal UV Monitor measures those rays' intensity and tells you how long you can be in the sun before your skin begins to cook. Enter your skin type and the SPF level of the sunscreen you're using, and then expose the palm-sized device to the sky. The digital monitor measures UV intensity and calculates your recommended exposure time. It has a countdown timer with an alarm, a digital clock, and a strap so you can secure it to your wrist or bag.
The monitor sells for $29.95 at oregon scientific.com (enter EDDDISC08 at checkout for 20 percent off).
KARI J. BODNARCHUK