Fast heating in 3 seconds: PTC ceramic heating element, the heater heats up quickly in 3 seconds, adjustable strong or medium heating mode. You will feel warm immediately and long-lasting thanks to the abundant heat. Tilt and overheating protection: this fan interrupts the power supply and stops working when it tips over or falls. It also has a built-in thermostatic protection in this heater against overheating. Make products safer during use 3 temperature modes: two heating modes (high 1000 W, low 700 W) provide different heat and the other mode (5 W) ensures natural wind. Energy-savingThanks to the use of the PTC element, the power consumption can be optimized and automatically regulates heat emissions for environmentally friendly energy use. Portable and quiet - With this amazing desktop heater, you can stay warm and cosy anywhere. It is compact, portable and quiet (no more than 45 dB). You can enjoy a quiet and warm evening. Especially suitable for bedroom, office, living room and so on.