Technical Details 1. Put the drawings as you need 2. Turn on the candles by hands 3. Put the fliker tea lights on table and form a graphic patterns 4. After using,you have to turn them off by hands Realistic light. Everlasting glow flameless tea light. Flameless, smokeless and long lasting, safe to use. No hot and dirty wax to deal with. Easy to use, simply switch on / off on the bottom to control the candle light.Package include: 18 X Warm White Led Flameless Candle, 18 X coin batteries (inside the candles) Backto20s?- is a registered trademark protected by the US Trademark Law. Backto20s products are sold by authorized sellers only.