The LB2ST from Sumitomo Heavy Industries is a Space Cryocooler with Mass 9.5 Kg, Input Power 90 W (Power Consumption), Cooling Power 0.2@20 K, 1 W@100 k, Cryogenic Temperature 20 to 100 K, Operating Temperature -20 to 23 Degree C. Tags: Stirling Cooler. More details for LB2ST can be seen below.