If you don’t indulge quite often into outdoor sports just because you don’t want to expose yourself for a long time under the sun, then, all you need is a UV Monitor like this UV Monitor that comes wound-up in a keychain! The UV Monitor helps you save yourself from the harmful effect of UV rays by alerting you, when the sun’s cancer-causing ultraviolet rays are at their most harmful levels. Besides, indicating the UV strength at any one time, the keychain also features time, date, daily alarm, stopwatch and temperature display on its digital display. The metallic UV monitor keychain comes for just $20. So, now you are at no risk under the sun, but don’t at all take it for an alternative to applying sunscreen....(just kidding)!!
Cool Factor: UV Protection
via GadgetsBlog
UV Monitoring KeyChain


















Comments
These is really very useful device. The uv rays which causes skin cancer are uvb and uva, uvb light have wave length ranges from 280-315 nm and uva wave-length range 315-400 nm.
uvb is most dangerous as compare to uva.
Many people permanently used Sunscreen to block these rays. This thing not suitable for example a little quanity of uvb is neccessary for production of vitamin D in skin.