Our GreenWorld LED candles have been designed for domestic, commercial and retail lighting. Using only 4.5 watts of energy these candles are a direct replacement for your 35 watt incandescent or halogen lamp. Changing to LED lighting could not only save you up to 90% on you lighting bills but you will also be doing your part for the environment by cutting you carbon footprint. Our LED lamps contain no harmful mercury gasses, lead or hazardous materials and produce no harmful UV, inferred or radiation.