-86 °C Ultra Low Temperature Upright Freezer LUF-D22 is an upright type freezer comes with 398 L capacity and offers temperature range -40 to -86˚C and -86˚C cooling performance. Features with microprocessor controlled system with interior touch screen temperature display to show various parameters simultaneously. Designed with direct cooling system and manual defrost mode, equipped with eco- friendly refrigerant Mixture gas, Built-in high-precision microcomputer temperature control system and platinum resistor temperature sensors. It offers high or low temperature alarm, Door open alarm and Keyboard lock, password protection function to prevent arbitrary adjustment of operating parameters.