1.)Performance specifications: 1. Machine model: DL-4100, 2. Capacity: 100L, 3. Temperature range: -40 -150 , 4. Humidity range: 20% -98% RH, 5. Temperature and humidity control accuracy: ± 0.5 ± 2% RH, *Attention: The performance guarantee of items # 2-4 above should be measured after 30 minutes of stable temperature sensing 6. The temperature and humidity are evenly distributed: ± 2.0 ± 5.0% RH, *Note: The performance guarantee of item # 5 above requires testing at a distance of 1/6 of each wall surface in the testing area, and must be measured after stabilizing with temperature and humidity for 30 minutes 7. Inner box size: 500 high Width 400 500mm deep, 8. Outer box size: 1700 high Width 1000 1500 mm deep, 9. Equipment placement space: at least 2000 2000 2000mm (W H D) , 10. Power supply: AC220V 4.5KW, 50HZ