With this remote control for LED lights, you can set the candle to your liking. Here's how to use it:ON/OFF: Once you have turned the candle on at the bottom, you can turn the candle on and off with the ON/OFF button.TIMER: With the timer function, you can set the candle to shine for 2, 4, 6 or 8 hours. For example, if you set the candle to shine for 4 hours at 6 o'clock, it will go off at 10 o'clock. The next day, it will then turn on again at 6 a.m., and shine again for 4 hours. To reset the candle, you can use the button at the bottom of the candle. Once you have set the candle, the light will briefly blink once.MODE: If you choose candle mode, the light will stand and dim like a normal light. So the light will flicker slightly. With the light mode, the light will be constant.DIM: The dim effect allows you to increase and decrease the brightness. SpecificationsSKU: 90000Batteries: cr2025