Characteristics: 1. PTC ceramic heating body: it has no open fire, low working temperature, self-control constant temperature function, long life, high efficiency and energy saving, quiet working and no noise. 2. built-in constant temperature control system: When the room temperature reaches the set temperature, the machine automatically sleeps, and the room temperature is lower than the set temperature and resumes work to prevent overheating, save energy and save electricity. Three. Intellig