This light fixture uses 28 LEDs (light emitting diodes) , COMES with power plug, Easiley Clamps on to your table. Plugs directly into your outlet.  No wiring necessary.  Built-in on/off switch.produce a natural bright light.LED ligt is up to 99% more energy efficient. Estimated 60,000 hours life, Flexible neck , 22" LONG, BENDABLE, not affected by vibrations, making them the perfect choice for installing on equipment.Up to 99% energy efficient , 140 LUMENS (comparable to 48 watts incandescent light bulb) Energy consumption 1.8W.Reduced glare.