Features: 1. Microcomputer control and LED display. 2. Temperature alarm system. When over limited temperature, it will cut off heating automatically. 3. Ambient temperature revising. Guarantee internal temperature and humidity will not affect inside. 4. Special airflow structure. Soft airflow velocity, guarantee the temperature uniformity and accuracy. 5. Five levels adjusting lighting. Simulate environment of day and night. 6. Double-layer door structure: Open outer door, observe studio experimental results through the inner door which is made from high intensity toughened glass, temperature and humidity unaffected. 7. Internal material: High quality stainless steel.