The Combo Warmer/Burner can be used with both wax potpourri and jar candles. The item has a 20 watt 4" heating plate and also includes an oversized bowl that can hold several wax potpourri. Recommended for use with jar candles with up to 15 oz. of remaining wax. Approximate size 6" diameter and 5" height including bowl. Includes on/off switch with indicator light.