The Livingandhome Intellectual Electric Heater is a versatile and user-friendly heating solution. Boasting advanced PTC (Positive Temperature Coefficient) ceramic heating technology, this heater is proven to be safer and longer lasting. It offers natural wind, low heat and high heat modes for you to choose from for the ideal room temperature. If you want the heat movement to spread, just turn on the 60-degree oscillating function. It runs quietly, so you can set the timer and have a nice sleep.