-40°C Upright Freezer is an upright type ultra-low temperature freezer with 528 L of capacity. Incorporated with high-quality steel plate structure with phosphate coating, galvanized steel liner and low noise. It offers the temperature range of -20˚ to -40˚C, -40˚C cooling temperature with ambient temperature of 16˚ to 32˚C. Featuring advanced combination of redundant cooling systems, intuitive electronic controls, ergonomic cabinet design along with door mounted digital display with USB port. Designed with direct cooling system and manual defrost mode, equipped with eco- friendly refrigerant R507, Built-in high-precision microcomputer temperature control system and platinum resistor temperature sensors.