The personal UV monitor with exposure timer is a well thought-out product. It monitors the current UV index and temperature, and calculates your recommended exposure time based on UV, SPF and your personal skin type. It also features a countdown timer, a digital clock, and it comes with a wrist strap for easy carrying around on the beach. The price of Personal UV Monitor is about $14.95.
Source : http://techhook.com/
Personal UV Monitor with Exposure Timer
