Holding Tank Heater; Use To Prevent Freeze-Ups In Holding Tanks/ Steps; Heats Up To 40 Gallons Capacity Tank; Thermostatically Controlled; 45 Degree Fahrenheit ON/ 67 Degree Fahrenheit Off; 7-1/4 Inch Width x 25 Inch Length With 36 Inch Lead Wire; Peel And Stick; 13.5 Volt; 5.8 Amp