... pro-environment refrigerant R404 5. Under rapid refrigeration mode, temperature can drop to working one in 60 min 6. Wide ... such as sample travel, thickness, function controlling, day, time, temperature, timed on/off, fumigating and defrost and so on 11 ... Cooling down time to -3060 min3. Freeze shelf minimum temperature-404. Lowest temperature of Peltier unit on freeze shelf-555. Maximum specimen ...