These Freezers are fitted with Non CFC Compressors and superior Digital Controller system for precise temperature control to provide secure storage of biological  chemicals, Viruses, vaccines and tissue samples. Also ideal for use in both low ambient temperature and flexibility testing. Maintain reliable storage temperature from minus 60 °C. To (– 86 °C. in AC Room) cabinet temperature set point Temperature and under temperature alarm limit adjust in 1 °C. increments insulation by high density non CFC foamed insulation maintains desired operating temperature System insures efficient freezer performance by protecting the integrated comprises. Electrical components from terminal overload insulation with servo Voltage Stabilizer to work on 220 V AC 50 Hz.