Warm and comfortable: Metkiio indoor heater adopts humanized design, with three heating modes – 900W high power, 400W medium power and a cooling fan, which can set the best temperature and enjoy warmth in cold weather, or blow fresh air in warm weather. Safety first: Our space heater uses PTC ceramic heating technology and refractory materials to provide overheating protection, because when the temperature reaches 167 degrees Fahrenheit, the heater will shut down. In addition, it has an intelligent design that automatically turns off when the heater is turned over. Fast and quiet: thanks to the advanced ceramic heating technology, this office space heater is highly efficient and can heat faster, reaching 70 degrees Fahrenheit in just 3 seconds Don't worry, the space heater has no lighting function and is very quiet, so you can sleep, read, study or take a nap without being disturbed. Portable and compact: The Metkiio personal heater is very compact, measuring only 7.7 x 4.4 x 5 inches, but it is powerful and energy-saving, so you can use it to heat small areas, offices, bedrooms, nurseries, or for camping, outdoor, RV trailers, etc. Fashion retro design: This portable indoor heater is not only efficient, but also fashionable and chic It has a lovely retro retro style that will fit perfectly into any decoration Give gifts to friends and family for yourself or as gifts on Christmas, Thanksgiving or other special occasions.