Electric Convection Heater, Clean Convector, 120, 60 Hz, 1 Phase, 12.5 / 8.3 / 4.2 Amps AC, 1500 / 1000 / 500 Watts, 1.5 / 1.0 / 0.5 kW, Output BtuH 5118 / 3412 / 1706, Height 30 In, Width 21 3/8 In, Length 10 1/4 In, Depth 4 In, Cord Length 72 In, 5-15P NEMA Plug, Air Temp Rise 60 F, Number of Heat Settings 3, Built-In Features Auto Limit Thermal Protector, Built In Mechanical Thermostat For Temperature Control, Includes Wall Mounting Bracket And Floor Stand Feet With Wheels