Portable Electric Heater, 120 Volt, Variable Watts 1300/1500, BTU/HR 5120-4437, 12. 5-10. 8 Amps Two heat settings for a full range of comfort. Automatic thermostat. Fan only feature to circulate air during non-heating periods. Tip over safety switch & thermal limit. Built-in carrying handle and guards. Polarized cord and plug (MMH). Safety buzzer. MMHD has grounded cord and plug.