Protection mechanism and ultra-offset air supply: Overheating and tip-over protection - the heater will automatically shut off if it tips over, tips over or overheats. The wind distance can reach 4.5 meters, and the air supply is farther and smoother. Intelligent temperature control and energy saving: Within the thermostat range, when the ambient temperature is higher than the safe temperature, the machine will turn off, stop operating, and the machine will start working when the temperature is lower than the set temperature. Warm air will be supplied in, which saves electricity and keeps the indoor temperature constant. Powerful heating mode: heating all parts of the body and rooms, dormitory, school, cold camping tent, RV. Low noise design: The noise level is less than 36 dB, and the volume is like people whispering. Suitable for heating in quiet rooms such as your office and bedroom. Portable and efficient: It is very compact (19.3 x 18.3 x 10.8 cm), enough to sit on a desk, and