Easy to position extra lighting for reading and better visisbility of keyboard/keypad. For laptops, it uses less than 1.5 min. of battery power per hour of laptop use so it barely affects your laptop battery strength.
The Flylight 2.0 USB Light from Kensington Features:
8 white light LED lamp unit plugs in to any USB 2.0 port to provide additional light for reading or for better visibility of the keyboard.
Highly flexible goose-neck allows easy positioning of the light.
Built in dimmer switch provides complete control over the amount of light needed.
Drains less than 90 seconds of battery power for every hour of normal laptop use.