SMAKN&reg; DC-DC voltage regulator module 12V 9V-22V to 12V 10A 120W automatic step-up / step-down power converter Input voltage: DC12V (Wide Voltage 8V-40V). Output voltage: DC: 12V. Output Current: 10A. Foot Power: 120W. Aluminum Volume: 74 * 74 * 32MM (L * W * H).