Characteristics: 1. Microcomputer intelligent temperature display, PID set, show temperature and give warning automatically, leakage of electricity protection, time set, accurate and reliable temperature control. 2. Double door structure, the interior door adopts the steel glass door, observing the situation inside the box does not affect the temperature. 3. The stainless steel workroom, precise heating way, uniform temperature, can maintain long-time constant temperature when power off. 4. LH150S model adopts accuracy temperature control and balance humidifying.