The Bionaire Office Heater with Worry-Free Motion Sensor turns off after 30 minutes of no motion detected. The unit turns off after 2 hours of no detected motion. It is designed for office use and has an 800 watt maximum, which reduces the likelihood of tripped circuits. This heater also features two heat settings, a convenient cord storage and safety features such as auto safety shut-off and manual user reset. If desired, the motion sensor can be turned off at the back of the unit; 2 heat settings - 800 Watt Max; cord Wrap for Easy Storage; Built in Safety Features: Overheat, Manual user reset, Cool touch exterior, Auto shut-off.