DescriptionThe item is a professional and practical DC to DC 4.5-30V to 0.8-30V 12A buck voltage converter module, which is mainly made of durable hard PCB board and metal materials, and designed for voltage application, such as battery, power transformers, DIY adjustable voltage regulator.Features- Color: as shown in the pictures.- Material: durable hard PCB board and metal.- Dimension: about 60*52*20mm.- and DC to DC 4.5-30V to 0.8-30V 12A Buck Converter Car Power Supply Voltage Regulator- Module properties: non-isolated module (BUCK).- Input Voltage: 4.5-30V.- Output Voltage: 0.8-30V.- Output Current: 0-12A, 100W (if heatsink, can reach 200W).- Operating temperature: -40 C to +85 C.- Working frequency: 300KHz.- Conversion efficiency: up to 95%.- Short circuit protection: YES ( the Limit current is 14A).- Over-temperature protection: Yes (Over-temperature Automatically shuts down the output).- Input reverse polarity protection: None (please install diode at input port).- Installation: four 3mm screws.- Wiring: Connection: V-IN input, V-OUT output.- Some Application:It is for voltage application. for example battery, power transformers, DIY adjustable voltage regulator. 24V car power laptop power supply. 12v to 3.3V, 12V to 5V, 24V to 5V, 24V to 12V etc.Testing for Reference- Input 12V, Output 5V/10A, Efficiency 81%.- Input 12V, Output 5V/6A, Efficiency 86%.- Input 24V, Output 12V/8A, Efficiency 91%.- Input 24V, Output 19V/6A, Efficiency 94%.Package list: 1 * DC to DC 4.5-30V to 0.8-30V 12A Buck Converter Module LED Car Power Supply Voltage Regulator