Model BDF-86V728 External Size(W*D*H)mm 1260*890″2010 Internal Size(W*D*H)mm 963*558*1350 Capacity 728L Type Vertical Temp.Range -40℃~-86℃ Temp.Accuracy 0.1℃ Control System Microprocessor control,LCD touch screen Audible and Visual Alarm High and low temperature,Sensor failure,Door ajar,Power failure,Voltage abnormal, Refrigeration type Ambient temperature abnormal,Low voltage,Filter blocking Direct refrigeration Refrigerant R290 and R170 Compressor 2 sets Condenser&Evaporator Made of copper Construction Structure 100mm ultra-thick foam layer lnternal Material ss 304 External Material Sprayed steel plate Door Lockable door Caster 4casters Chamber with Inner Door 2 Shelf 3 pcs Temp.Test Port 1, φ25mm Consumption 935w Power Supply AC110V/220V+10%,50/60Hz Standard Accessory 72 hours battery backup for power failure alarm,USB port Max.Optional Storage Racks 24*LD5×4 Max. Optional Boxes 480 Package Size (W’D’H) mm 1320*970*2190 Gross Weight 401.5kg