Functions include heating, refrigeration, spray, temperature and humidity controlling. Structure: Inner structure is made of stainless steel, outer structure is made of high quality cold rolled steel and thermal insulation is polyurethane form. 6 shelves are made of stainless steel. Three-doors design ensures good heat retaining property. Easy observation inside of the cabinet through the glass doors. Technicle parameters: 1. Digital control unit: temperature and relative humidity are displayed at all times as well as all the other phases. 2. Voltage:AC220V, 50HZ; 3. Compressor power: 125W; 4. Heating power: 600W; 5. Humidity: >95%RH; 6. Temperature range: 15oC-30oC, ±1oC; 7. Refrigerating system: direct cooling refrigerator, coil evaporator and exposed condenser; inner fan to help heat exchange and reduce temperature difference; Heating: U type electric heating tubes; 8. Humidifier: ultrasonic humidifier, spray foam water molecular style ensures humidity >95%RH. 9. Working room: 2120X700X1640mm; Features: magnetic valve adds water automatically to the humidifier, uniform temperature and humidity inside of the cabinet, high precision, no dripping from cabinet top.