Compact and powerful: portable mini heater with build in carry handle helps to reinforce the potential of rather low electrical bills by using at the place where you need when you don't want to warm the full house with other centralized heaters 2 in 1 heater fan: you can use it both for winter and summer. Thermostat control of the heater will turn the heater off when it reaches a preset temperature and turn the heater back on when the temperature dips below the thermostat setting. Adjust the setting of thermostat from 0 to 158 to keep room comfortable Multi protection safety system: These ETL listed heaters are made of flame retardant material avoiding any fire hazard; automatic safety shutoff system will cut off the heater when the heater overheat; the tip over protection system will shut the heater off when the heater was knocked over by accident and it will come back on automatically if it is up righted Fast and quiet heating: The build in PTC ceramic heating tech as well as high speed fan helps heat the room quicker and covers the space much more effectively. Heat up 200 square feet in minutes. The noise this ceramic heater makes is lower than 45 decibel, quiet enough for most people to use in a bedroom while sleeping