PTC Ceramic Heater, High Efficiency & Energy Saving: Fast heating up in one second, the PTC ceramic heating element collects all the heat and turns on the machine to generate heat. The heater is more stable and theHeat can be generated in seconds. Heating the small room instead of heating the whole house with other types of central heating saves on electricity bills. Small, portable and amp; Quiet8 x 4 x 7.7 inch, soundproof matte design combined with a built-in ergonomic handle, so you can easily warm up the room and take the device to any room you want. It's very appropriatefor desks, work tables or living rooms. The noise level is below 45 decibels, the radiators in the premises and offices ensure a quiet space and additional comfort. Anti-tipper & OverheatingWhen the heating parts are overheated, the automatic overheating protection system will turn off the portable heater. The anti-tipping device will turn off the heater if it happensaccidentally knocked over to avoid accidents. This table heater uses the innovative PTC technology and does not generate heat at a constant rate like a resistance wire. Three Levels of Customization & Easy to Use The electric heater has three power modes. The heat up/cool down mode can quickly warm up the surrounding air and expand the space, and the natural wind mode can bring you onecool and comfortable summer. Unlike the previous button layout, the touch button only requires light finger pressure. Fireproof ABS MaterialThe portable heater adopts fireproof ABS material, which is effective for fire prevention, equipped with multiple security systems to fully protect your safety and that of your family and avoid risksfrom fire. We are committed to producing high quality heaters. The portable indoor electric heater promises you 1 year warranty.