Vornado iControl Whole Room Vortex Heater, Automatic Climate Control Vortex technology fully circulates warm air evenly throughout the whole room Digital LCD display with unique one-knob control for adjusting timer, fan speed and set temperature Features automatic climate control, 2 heat settings, fan-only mode and a remote control Advanced safety features including tip-over protection and automatic safety shut-off system for worry-free use Whisper quiet operation and backed by a 5-year limited warranty Built to meet U.S. voltage requirements. Certified, safety-tested, and warrantied for use only in the U.S.