Small Mini Heater Vertical Home Heater PTC Ceramic Three-Second Heat Heater Rated power: 900W Heating method: PTC heater Speed gear: third gear Timing function: more than 8 hours Operation mode: mechanical Rated voltage: 110V/220V Switch Type: Knob Type Types of heating appliances: heaters Air supply method: shake left and right, multi-speed adjustable Function: 1.PTC ceramic heating 2.Internal temperature control protection 3.Anti-reverse switch at the bottom 4.Shaking function 5.Flame-retardant body 6.3 gear adjustment Safety, protection: overheating power failure, overload protection, flame retardant material, short circuit protection, dumping power failure, anti-scalding grille Noise: 37-45dB