Honeywell EnergySmart Electric Radiator Whole Room Heater, HZ-789 EnergySmart Technology automatically regulates power consumption Energy usage indicator displays amount of energy used in operation Digital EasySet controls w/ 1-12 hour timer Programmable thermostat & 2 heat settings Silent operation Solid, heavy-gauge steel with durable, rust free enamel finish Machine welded for leak-free operation Oil never needs filling or replacing Exceeds industry Safety Standards 360° Tip-Over Switch + Overheat Protection + Thermal Insulated Wiring + Reinforced Wire Connections, Premium Grade Oil 3-prong grounded plug & heavy duty power cord No box