Led electric burners, turn it on will change to many colors by itself, 

About this item

• Unique design oil burner.  The electric heating plate acts as a safe heat source (No soot. No smoke. No flame) illuminated soft light provides a gentle glow. You will be able to relax peacefully and enjoy this aroma oil warmer.
• 7 Colors Changing LED Light: Independent lighting control can maintain 7 kinds of color cycle changes; can also be fixed on the color you prefer.  Fragrance oil warmer creates a peaceful atmosphere when you work, read or sleep.
• Warmer & Night light: Uses as fragrance oil warmer and night light. Releasing your favorite fragrance into the home. Also works as a night light, the soft light create a unique ambiance to any room.