Osram LED GLS standard shape are part of the leading edge LED lighting development. These are available in Very Warm White, Warm White and Cool White in E27 ES screw cap and B22d BC bayonet cap. LED lamps offer potential savings in energy due to the small amount of power they use often as low as 1 or 2 watts. The capital outlay is offset by the life of these lamps and many last 20 or 30 times longer than the equivalents they replace.