The outer shell is made of paraffin,and the Three-Dimensional carved pattern design makes the overall dynamic effect of the candle more intense and elegant; The inside of the candle adopts LED lamp beads,which has long service life,energy saving and environmental protection;The bottom of the electronic candle can be replaced. It is convenient and practical to use 2 AA batteries (not included). The set is available in 3 sizes----3*4inches,3* 5 inches,3*6 inches. 18-key remote control,18 Gradient Colors,Layer-By-Layer Dyeing,corresponding to the Three-Dimensional carved pattern,the light is delicate and realistic. NON-Toxic and Harmless,so that your parents,children and pets have safe and healthy protection,so that your living environment is quiet.