At Comfort Zone, we're dedicated to helping you find your comfort zone by offering you a range of quality fans. Our fan line-up includes SpaceHeaters, Personal Fans, Table Fans, Pedestal Fans, Tower Fans, Window Fans, Box Fans, and Wall Mounted Fans. We offer only the highest quality fans built to perform and last. Motion sensor activated and deactivated, Heater turns off after 30 minutes without motion and shuts down completely after 2 hours without motion. Works with or without the sensor feature activated. Reduced hi/low wattage makes it less likely to trip workplace circuits. Perfect for personal use. 1-year warranty. MOTION SENSOR ACTIVATED: This Space heater turns on and off when it senses movement. The heater turns off after 30 minutes of inactivity and powers down completely after 2 hours. It also works without the motion detector.