Portable Space Heater: The space heaters for indoor use combine powerful heating system to provide warm wind in seconds, ideal space for < 30㎡ / 320sq.ft 3-Level Adjustable Mode: Turn on the switch to generate 3 different wind temperatures, cool air, low warm air, high warm air(max) Multiple Safety Protection: Built-in tip-over protection; Overheat protection, the item will automatically turn off when the heat of the inner ceramic chip reaches over 130℃/266℉, the main material adopts V0 flame retardant to protect your safety in all ways Rapid Heating: Our electric heater adopts PTC ceramic heating module to generate efficient heat dissipation, a simple switch to achieve rapid warming in cold winter in seconds