The portable 5W led bulb candle lamp has make an energy-efficient replacement and substitute for standard 40-watt incandescent bulbs at 5 watts, each bulb emits a bright light output of 400 lumens. These non-dimmable bulbs are a great energy-saving replacement for old incandescent bulbs because each bulb has a total lifespan of up to 25, 000 hours. You won t need to constantly change your lightbulbs anymore.