The award winning Eveready Energy saving halogens are an environmentally friendly version of every day popular lamps.Clear, crisp, pure white light Beam control Longer life (compared against incandescent lamps) 30% saving on energy and CO2 emissions Great for decorative/display lighting UV Stop Protection DimmableAll Eveready low energy halogen lamps use UV stop glass this reduces the bleaching effects of Ultra Violet radiation on materials and also on exposure of the skin to UV rays.