The smallest upright in the Premium lineup is the U410, available in both 120 V and 208 V versions. The U410 is a great alternative to the Innova U535 which shares the same high efficient compressor system. The U410 consumes only 12.9 kWh/day and pull down from ambient to set point only takes 4.1 hours. A bright eye level, LED control system is standard along with a 5 compartment, adjustable shelving system.