Product details:

The Thermal Guardian Waterbed Heater is built to last with premium components like 32 gauge nickel copper flexible precision circuitry and 64 gauge pad. Low watt, energy efficient heater has an aluminum shield to prevent hot spots, 2-stage safety process to prevent unsafe conditions, and a 6 long, heavy-duty 18 gauge power cord. Heater comes ready to install with a temperature controller and all connections. 120 watts. UL and ETL listed. Made in the USA.