Multi protection safety system: These heaters are made of flame retardant material avoiding any fire hazard. Automatic safety shutoff system will shut the heater off when the heater overheat. The tip over protection system will also shut the heater off when the heater was knocked over by accident and it will come back on automatically if it is up righted Compact and powerful: 16.5*10*8.5cm, 4.7 pounds 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 Quiet and fast heating: The noise this ceramic heater makes is lower than 45 decibels, quiet enough for most people to use in a bedroom while sleeping. With PTC ceramic heating tech and high speed fan, this heater put out tons of heat to heat up 200 square feet in seconds Upgrade abs material: Upgrade abs material applied, which is more flame-retardant.