1. PTC Heating : heating fan, builtin PTC heating body, warm quickly, fast hot air, energy saving and power saving, with visible heating effect. It draws in cold air and turns it into heat, with 360 ° hot air infusion to achieve the whole house heat cycle, keeping you warm in winter. 2. Circulation Heating Quiet Model: Indoor electric space heaters adopt turbo circulation heating and propeller design to improve the whole house circulation heating effect by 200%. And they use brushless motor muffling technology, running quietly all night without disturbing sleep. 3. Intelligent thermostat, Instant Heat: The portable heater can be turned on with a single key, heating up fast, 3 seconds for fast heating, 1200W high power for rapid heating to raise the indoor temperature. It produces no light and consumes no oxygen, being skinfriendly and not drying. When you go to work or study, place it on the desktop and enjoy the hot air immediately. It can warm hands, feet and the whole body. 4. Tilt Power Off: The desktop heater has an internal tilt power off switch. Using intelligent level and gravity sensing, it will automatically power off when tilted to protect . When the desktop heater tilts about 15 °, the automatic power off mode will be activated for use.