The candle has a built-in auto on/auto off timer. The candle turns on for 5 hours per day and off for 19 hours per day automatically.Material : Wax. Shape:Round Pillar with even edge. SizeAvailable:3"x4".Batteryrequired:2xAAА.Package:Neutral.Remarks: Battery for candles are NOT included, battery for remote is included. MOQ 1200