UberLight 8000C is a task light, with 28 LED's using advanced circultry that produces natural bright light that is easy on your eyes and reproduces colors as the truly are.. Up to 60,000 hour of use, LED's are the most efficent and economical to use. The C-Clamp allows you easily attach or move when you need to. The neck is over 25 inches in length and has a sturdy swivel joint. 99-Percent energy efficient it will work on either 110V or 220V. One year limited warranty.