Three-in-one heater: This ceramic heater provides three wind levels of 1500W, natural wind, warm wind and hot wind, and can be used both in winter and summer. The heater's thermostat control will turn off the heater when the preset temperature is reached, and turn the heater back on when the temperature is lower than the thermostat setting. It will cycle on and off. Adjust the thermostat setting from 0 to 158 to keep the room comfortable Multiple protection safety system: These heaters are made of flame-retardant materials, which can avoid any fire hazard. When the heater is overheated, the automatic safety shutdown system will turn off the heater. The overturn protection system will also turn off the heater when the heater is accidentally knocked over, if it is correct, it will automatically recover Quiet and fast heating: The noise of this ceramic heater is less than 45 decibels, which is enough for most people to sleep in the bedroom. Using PTC ceramic heating technology and high-speed fan, this heater can release a lot of heat in a few seconds to heat 200 square feet