The UL-listed 5Watt E12 base bulb fits standard E12 bulb socket and features high quality SMD LEDs that can provide 325 lumens output. They are aesthetically and intelligently designed to significantly reduce energy consumption by up to 85% and deliver long lifespan. This LED candle uses only 5 watt and amp; serves as a prefect replacement for a 40 watt incandescent/halogen bulb. Electric consumption of 5W LED bulb: 5W × 3Hrs × 365=5.475Kwh Electric consumption of 40W incandescent bulb: 40W× 3Hrs × 365=43.8Kwh Yearly cost of 5W LED: 5.475Kwh x 11￠=60.2￠ Yearly cost of 40W halogen: 43.8Kwh x 11￠=481.8￠ With expected 25, 000 hours lifespan, this LED bulb lasts more than 4 times longer than incandescent. The electricity savings alone will make it pay for itself within 2 year. The deal becomes even better when you think about savings in maintenance cost during its lifespan. No more frequent change or replacement needed. Application Perfect for the indoor lighting, such as villas, restaurants, living room, hallway, hotel, kitchen, studio, library, meeting room, show room, shop window, and other large crystal lamps and lanterns. Safety Notice NOT for use with all dimmers. NOT for use in totally enclosed fixtures. Not intended for use with emergency lamp. Candle light for indoor use only. DO NOT close to any source of heat or water. Turn off power before any operation. Certification: UL listed, FCC Dimmable: 10-100% Base type: E12 Voltage: 120VAC Lumen: 325lm Beam angle: 120° Incandescent Equivalent: 40W Color temperature: 4000K CRI: 80.