Dumping and power-off protection The heater will stop working when it is accidentally dumped, and it will be turned off to prevent collision and leakage, and it is safer to use Air circulation, can be used in the four seasons one machine can be used for multiple purposes, spring, summer, autumn and winter can be used, convenient and economical Wide-angle and wide-range heating It can not only supply air from left to right, but also adjust it from top to bottom. It is convenient for heating. Hot air can be released in all directions and the whole family can share the heat with one machine. Quadruple safety protection no open flame operation, safety grille, flame retardant material, protection against overheating and power failure Customer Service Hope you can enjoy a pleasant shopping experience.