1) Super Energy Saving LED bulbs consume only 2W, 5W and 7W, lasting up to 10 years running 8 hours a day. Great energy savings on your electric bill.2) Equivalent brightness reach respectively 15W, 40W, 3) E27/B22 base, convenient and allowing for simple direct screw-in incandescent replacement.4) They provide pure white light, also available in colors, and are shock and vibration resistant.