3-Second Fast Heating & 45 Oscillation: Delivers instant warmth in just 3 seconds with 1500W PTC ceramic heating, while 45 wide-angle oscillation distributes heat evenly across large rooms (up to 200 - 300 sq. Ft.) 3 modes for free switching: The heater mode has high and medium wind speeds. Simply switch between them using the Mode button on the remote control. The high wind speed is 1500W, and the medium wind speed is 750W. You can also switch to the cool air mode, which blows out natural cool air at 9W to promote air circulation and provide comfort all year round Fast and accurate temperature control: Freely set the room temperature within a range of 59 F to 99 F with unprecedented accuracy of 1 F. After adjusting the temperature, the display will switch to show the current room temperature.