Requires four (4) AA batteries. Remove candle from package. Make sure all plastic tabs covering batteries are removed. Turn candle to 'on' , or timer on the bottom. To use remote control, candle must be in on position and plastic tab must be removed from remote battery compartment. The remote control can be used to turn on or off, change flicker and brightness as well as setting the timer. Remote control sold separately. Keep away from children, pets and heat. Do not look directly into LED light.