This oscillating tower heater earned The Best rating from the Hammacher Schlemmer Institute because it warmed an entire room quicker than all other units tested. During evaluations, it raised a 100' sq. room’s temperature by an average of 40.1° F after only 15 minutes, while lesser units only warmed the room by 8.02° F. It was also rated as one of the easier units to use thanks to a clear LCD panel, programmable thermostat, and scheduling/timer features. It has two heat settings (900-watts or 1,500-watts) and oscillates to ensure even distribution of heat. It shuts off automatically when tipped over and has a housing that remains cool to the touch. It can be operated manually or with an free app (on a device with iOS 8 and above), or a home’s Alexa or Google Assistant. AC plug. 25" H x 8" W x 8 1/2" D. (5 lbs.)