We have upgraded the lamp heads of these LED flameless candles. It is composed of 6 LED and the flame stimulation technology makes these wonderful candles sway and flicker. Battery Operated Powered by 3x1. 5V AAA batteries (Not included) per candle, the expected battery life is of approx100+ hours (high-grade battery required). Longer battery life means that fewer batteries will be used, therefore you spend less on batteries. In addition fewer battery consumption is better for environment. These battery operated pillar candles are ideal for garden, yard, patio, home décor, and festival, holiday, party, wedding decorations. Light is created by LED, No risk of fire, no fume and no wax mess. Safe to use around children and pets, LED candles without real fire, never worry about fire-related accidents.