This power supply is used to power up unit or console on Nautilus fitness bikes and stepmills, and Stairmaster freeclimbers and stepmills -- quantity discounts available. Use on Consoles LED to 15" LCD. Power supply can be used for 110V (domestic) and 220V (International) with appropriate power cord. Verify connector style on your unit. Includes power cord OEM #050-0232 for 110V domestic only. If needed outside the U.S. you may purchase SM4455 (includes power cords for international use). Can replace Stairmaster OEM #24381.