SANYO Ultra-Low Temperature Freezer model MDF-U71V, Effective Capacity 728L, rated voltage AC 230v, Rated Frequency 50Hz, Amperage 6.5A, Power Consumption 1220 W, Charge 620: 290, Oil Additive 40:41, Refrigerant R- 407D:R-508 (TP5R3) Net Weight 340 kg Hi Stage: low Stage S/N 10910841, Made in Japan.