The item is a professional and practical DC to DC 4.5-30V to 0.8-30V 12A voltage converter module, which is mainly made of durable hard PCB board and metal materials, and designed for voltage application, such as battery, power , DIY adjustable voltage regulator. Features - Color: as shown in the pictures. - Material: durable hard PCB board and metal. : about 60*52*20mm. - and DC to DC 4.5-30V to 0.8-30V 12A Converter Car Power Supply Voltage Regulator - Module properties: non-isolated module ( ). - 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 current is ). - 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, output. - Some Application: It is for voltage application. for example battery, power , DIY adjustable voltage regulator. 24V car 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 Converter Module LED Car Power Supply Voltage Regulator