LEDs consume up to 80% less power than conventional light bulbs and longer life span as much as 50,000 hours. Considering it onetime cost but significant savings in electricity bills. LED lights are extra ordinary durable as compared to incandescent or fluorescent bulbs. In addition, LEDs are made of recyclable components and do not contain mercury or any other toxic or hazardous materials. LEDs come in a variety of colors. LEDs can very easily be dimmed either by pulse-width modulation or lowering the forward current EDs, being solid state components, are difficult to damage with external shock, unlike fluorescent and incandescent bulbs, which are fragile.The solid package of the LED can be designed to focus its light. Incandescent and fluorescent sources often require an external reflector to collect light and direct it in a usable manner.