SMAKN&reg; CC CV DC/DC Synchronous Boost Buck Converter Constant Voltage/Current DC 4-32V to 0.8-32V 12V 12A Voltage Regulator LED Driver Adjustable Power Supply Module Module Properties: 12A buck CC CV moodle Rectification: non-isolated rectificationbuck Input voltage: 4.5V-32V Output Voltage:0.8V-30V Output current: 0.4-12A