Functions include heating, refrigeration, spray, temperature and humidity controlling. Two-doors design ensures good heat retaining property. 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±10% 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: 600X550X1380mm