Low energy LED mains light bulbs with instant on/off full brightness. Low power consumption, long lasting, cool running and no mercury content. Bulbs are non-dimmable. Edison Screw (ES/E27), Bayonet Cap (BC/B22) & Small Edison Screw (SES/E14) types are available. 5W bulbs are equivalent in brightness to the old 30W bulbs, 10W bulbs are equivalent to the old 60W bulbs and 15W bulbs are equivalent to the old 100W bulbs.