Our patented 3D technology creates real flame movement, realistic color and innovative flicker which appears to make the flame move. . Warm white flame color can be turned on or off by just tilting the candle. It measures 1.5 inches by 4 inches with the base. The candle has a timer that will turn on the same time everyday for 6 hours and then turn off for 18 hours and can be used with or without the base These cordless flameless candles can be used without having to worry about open flame, cool to the touch. Also great as an emergency candle. Uses 3 AA alkaline batteries (sold separately) which will last the whole Christmas and holiday season. Never need to change the LED light source.