Blue Magic Solid State Hi-Watt Waterbed Heater: * Energy efficient solid state hardside waterbed heater * Heats efficiently, constantly controlling temperature to within 1 degree * Protected with a thermal safety fuse * ETL listed * 325 watts * Use 2 heaters for a dual mattress * No moving parts in the heater allows for precision temperature control with long lasting durability * Complete with solid state heater control and premium wire alloy waterbed heater pad * Model# ZL284043