Calesco Full Watt Hard Side Waterbed Heater Hardside & Deep Fill Softside Waterbed Heater 325 Watts--Stronger than most brands Heating Pad Size --11.8x24 120 V AC, 60 Hz--Works with U.S. Canada outlets Heater Kit Includes Control, Heater pad, Small Patch kit & a 4 oz of Premium Clear Bottle Conditioner