Comfort Zone Deluxe Horizontal Fan Forced Quartz Heater has fan forced dual quartz heating tubes to keep you warm, with 750 watt and 1500 watt power levels and an adjustable thermostat to keep a constant temperature. The open slot design has even and safe heat distribution. Safety tip over switch-automatic reset temperature limit control with caution indicator light for safety. ETL approved for sale in the US.Comfort Zone® is driven to perfection producing quality products for everyday living.