The product is a Liebert Emerson 03-790-831-59 REV 2 P/L 4 Control Board, specifically designed for HVAC and refrigeration systems. Manufactured by Liebert, this control board is essential for regulating and managing the functions of the system it is installed in. With the model number 03-790-831-59, this board ensures efficient operation and control of various components within the HVAC or refrigeration unit.