1. GC model로서 voltage booster가 포함됨 2. CFC-free foam insulation 127 mm [5 Inches] 3. Capacity : 668Liters / 2inch box (480개) 4. Temp. Range : -50℃~-86℃ 5. Outer dim. : 1130 x 876 x 1990 mm 6. Inner dim. : 870 x 600 x 1280 mm 7. Temperature Control System : Microprocessor control system 8. Controls : ？ Alarm System ？ High / Low Temperature Alarm (±5°C to ±20°C adjustable) ？ Continuous Self Diagnostics (sensors abnormality) ？ Battery Check(battery replacement recommended) ？ Self Diagnostic Features(자가 진단 기능) ？ Filter Check (filter replacement recommended) ？ Compressor Time DelayAdjustment 2-15 min.