•Two variable-frequency Refrigeration Systems •UL/CE Certified •HC Green Refrigerant •Temperature Uniformity：3℃ •Power Consumption as 8.5kw/24h. •10-inch Intelligent Touch Screen •6 Sides VIP Vacuum Insulation Material

•Two-stage Cascade Variable Frequency Systems •UL/CE Certified •HC refrigerant •Power Consumption as 8.7kw/24h. •Temperature Uniformity：3℃ •10-inch Intelligent Touch Screen •6 sides VIP vacuum Insulation Material

•True Air Cooling Technology •UL/CE Certified •SNAP/EPA List HC Refrigerant •41.8dB(A) Noise. •2 years Temp Data Recording •Automatic Door Heating System

•High-precision Temperature Control System •Powerful Refrigeration System •Effective Thermal Insulation System •Audible and Visual Alarm System •Platinum resistor temperature sensors

•Eddy Current Full Air Cooling Multi - duct design •UL/CE Certified •Temperature Uniformity <2℃ •44.8dB(A) Noise. •2 years Temp Data Recording •Automatic Door Heating System

•Two compressors for temperature control separately •Environmentally friendly Freon-free refrigeration system •Dustproof door gasket can be easily cleaned •High-precision microcomputer temperature control •Audible & visual security system