About this item 🎈【Faster Heat Than Ever】3s Fast Heating, Instant Warmth. And this heater has four temperature modes: "High Temperature 1500W", "Low Wind 700W", "Natural Wind 8W", and "Intelligent Constant Temperature Mode". In smart mode, the electric fan heater automatically adjusts, keeping a comfortable temperature for the human body (71℉ - 80℉ ) and reducing electricity consumption 🎈【1/2/3/6H Timer, User Friendly】 Equipped with a 1/2/3/6H timer so you can set the time before you sleep. don’t worry about falling asleep and forgetting to turn off the heater. Long press the timer button to turn off the timer function, only supported on the machine, not remote control 🎈【Always Safe, Always Reliable】When the internal parts of the heater reach 122℉ which may cause overheating and possibly cause a fire, the heater will automatically stop heating and blow natural wind for the 30s to cool it down. When the temperature drops to 104℉, it will restart 🎈【Tip-Over Protection for Added Safety】When heater falls over, heating part stops heat generation, and the fan will blow for about 30s for internal cooling and then automatically shuts off 🎈【LED Display, at a Glance】The front of the ceramic heater is also equipped with an LCD display, so you can easily check the ambient temperature and the operating status of the heater 🎈【Surrounding Uniform Heating】This electric heater has a 90° automatic oscillation function that allows you to warm a wider area without moving your body 🎈【Maximum Convenienc】The heater has a remote uses infrared to control. Functions are the same buttons on the control panel., and it has a distance of about 16.4 ft (5 m), so you can control it from a long distance without getting up from a comforter during cold winter nights. It can also be used for seniors and those with disabilities. About battery installation: there is a little wired lip inside, slide the battery under it 🎈【Quiet, Best Choice for Your Family】The indoor heater uses ABS environmentally friendly material with a filter to filter impurities in the air. Space heater makes the room warm without drying, with no bright light, without oxygen consumption, and without changing the air humidity. It can probably warm 180-270sqft. Best care for family 🎈【Ideal for Home or Office】Compact size and portable design combined with the back carrying handle, so you can easily move to office, bedroom, bathroom, Garage, kitchen, Dorm, motorhome. No matter where you are, this heater will be your good companion in the cold winter