These light bulbs have a very realistic fire effect. You just screw the bulb into the base and enjoy the flame of the LED. 4 Modes. Flickering light bulbs has flame emulation mode, breathing mode, general light mode and gravity induced mode(upside down). Quickly turn the switch off and on again, and the bulb will switch to the next mode. The power of this flickering light bulbs is 3W, which is 90% more energy efficient than ordinary light bulbs. There are cooling holes at the bottom of the bulb, so it won't get hot even if you use it for a long time. The service life of LED bulbs is generally up to 100,000 hours. The perfect substitute for candles and kerosene lanterns. The bulbs can be used on fireplaces, front patio lights, lanterns, chandeliers, street lights, wall sconces, etc. These bulbs are great for decorating for Halloween, Christmas, Thanksgiving, Valentine's Day, Easter and other holidays.