For the first time ever on a forced air kerosene heater, DEWALT brings you truly cordless heat. No cords, no hoses just remarkably portable heat. Just fill the tank with any of the approved fuels and blast the cold out with 90,000 BTU's then switch the heat down to 75,000 BTU's to keep the temperature just right all while saving fuel as the thermostat cycles the unit on and off at just the right comfort setting. Batteries in use That's OK because the DEWALT cordless kerosene heater is equipped with convenient hybrid power supply capabilities allowing you to simply plug in when batteries are unavailable. With safety features like an internal emergency battery backup system that allows the heater to complete its cooling cycle even if the DEWALT battery or power plug is removed. The system also constantly monitors the fan motor and combustion performance to ensure peak safety conditions. You can trust that this is doing its job so that you can do yours. Features Plastic Wild Life Tarantul