About this item Hot in 3 seconds: Is the office cold in winter? This desktop heater will heat your body in 3 seconds pushing out the cold 2 modes: low/high using ceramic heating core technology can effectively transfer heat to a wider place. Low (400W) high (900W) the fan is the best choice according to your needs Automatic thermostat: The mini heater with built-in automatic thermostat will monitor the surrounding air temperature to ensure the best heating and energy efficiency Overheating protection and overheating protection: Double safety guarantee the room heater is equipped with overheating protection and overheating protection system no need to worry about overheating or accidentally knocked over by pets or children Portable: Make the space heater easy to carry and move. Easily take the heater from one room to another. Put the device on or under the table you can feel comfortable immediately