Simple and convenient operation: Through a remote control, you can control all flameless candles of different sizes, as well as our 4"5"6" birch candles (each with a diameter of 3.25").The timer function allows you to set 2 hours | 4 hours | 6 hours | 8 hours, and the timer will automatically turn on and off. Cycle every 24 hours.Energy-saving, powerful LED: This battery candle value kit comes with 3 birch candles and 1 remote control. The battery is powered by 3 AAA batteries with a flickering effect. It uses 3 high-end AAA batteries and can last for 150 hours in an environment.[No flame] Battery candles do not need to worry about fire or burning hazards, no need to worry. With the amazing flameless candle set, you can spend the night with perfect atmosphere with confidence.Perfect decoration: battery candles can be widely used in birthdays, Christmas, home decoration, bars, hotels, parties, festivals, weddings or other occasions.