DOT-it

Sylvania has come out with the next generation of touch-lights. The DOT-it contains 3 LEDs which run 100 hours on 3 AAA batteries. Push-on, push-off: pretty simple.

The puck is a little more than 2 1/2" in diameter and less than 1" deep. You affix them to smooth surfaces via a 3M adhesive. Don't worry about making a commitment: it's repositionable and removable like a post-it note.

They are available in 6 colors and include the batteries (which are replaceable). MSRP is $10 USD, but you can get them right now on amazon.com for only $5.75.
via Treehugger