• R290 refrigerant is used which is chemically stable, CFC-free, commercially available and environmentally safe refrigerant
• Manual De-frosting system and direct cooling system
• Visual and audible alarm system: High/low temperature, power failure, sensor error, door ajar, Thermostat failure
• High ambient temperature controller setting password to prevent unauthorized access
• 5 Inner doors to prevent cold air from leaking out when the out-door is opening
• Power failure protection: turn on delay of the cooling system when power failure
• Controller error protection: the cooling system will remember the normal working cycle and keep working depending on this memory when controller or two sensors failed
• Built-in backup battery to ensure that power alarm for 8 hours after power off
• 4 casters with stopper for easy moving and fixation
• Adjustable shelves with 4 inner doors design, maintain the temperature in the cabinet
• Adjustable height of plastic coated fabric grid for more uniform temperature
• Embedded handle, easy for one-man operation

Used to freeze blood plasma, storage of vaccines and other biological products who need precise freeze and stock in blood bank stations, hospitals research institutes, laboratories and others.