Minimal power consumption: saves energy on average 80 to 90% over LEDs or Light Emitting Diodes are highly energy efficient. conventional lighting. Maintenance free: does not require any lamp changing for the lifetime of the LED. Does not contain mercury: Unlike CFL, LED does not contain mercury gas that is highly toxic and affects the ozone. Over 40,000 hours lifespan: Unlike CFL, halogen, metal halide and incandescent, LED lasts a minimum of 40,000 hours (around 10 years with normal use), without any bulb changing. Instant on: LEDs turn on instantly without delay or flicker. Thermal management: LED light fixtures produce less heat, lowering air conditioning usage, and they do not burn the skin if touched. Increases visual acuity: Due to high CRI, LED provides a crisp clear day-light look.