1.PTC Ceramic Space Heater - This space heater uses an advanced ceramic heating element design to provide faster and more energy efficient heating than traditional electric space heaters. Small but powerful space heater for bedrooms, offices and under desk use. 2.Overheating and tipping protection - the heater shuts off when tipped, tipped over or overheated. In addition to being safe, the device also protects against air pollution with a filter that keeps dust out of the fan when it's in use. Safety features make it a great choice for families with small children or pets. 3.3 operating modes - two heating levels and fan mode, low heat (700W) and high heat (1000W) will ensure that the temperature is always to your liking, allowing this product to be used almost all year round. Warm up all parts of your body and the space around your home, dorm, middle school, cold camping tent or frozen RV. 4.Low Noise Design Powerful Heating - A quiet space heater for your office, bedroom, etc. It has lower noise than any other commonly used space heaters. Volume is like people whispering.