SMAKN&reg; DC-DC Buck Converter Regulator 5V-32V To 0.8V-30V Constant Current/Voltage LED Driver Charger Module 5A Non-isolated CC-CV step-down module, Non-Synchronous Rectification Input voltage: DC 5V-32V Output voltage: 0.8V-30V Output Current: 3A nature cooling, Max 5A Output ripple: 50mV (max) 20M Bandwidth; Size: 51 * 26.3 * 14mm (L * W * H)