Features:Voltage reduction: This product adopts imported integrated switch regulator module manufacturing, can be unstableThe 13-40V DC power supply is transformed into a stable 12V DC power output.Multi-function: It has automatic protection functions such as over voltage, over current, over temperature, short circuit, etc. Work normally after recovery.High conversion efficiency: synchronous rectification technology, multiple intelligent protection functions, high conversion efficiency, high stability. The conversion efficiency can arrive 95%.High quality: DC regulator converter is designed with high quality materials to help waterproof, shock-proof, moisture-proof, dust-proof and more durableA wide range of applications: DC voltage converter, widely used in large trucks, golfs carts, club cars, taxi radios, LCD TVS, advertising screens, LED bar lights, monitoring systems, automotive audio, electronic systems and DIY.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Size:11.8*11*4.2CMMain product parameters:1, Input voltage: DC 20-- 30V2, output voltage: DC 12V3, output current: 10A120A230A4, six lines (with memory line)5, iron shell structure.24V input wiring instructions:Red-line: main power line, connected to the positive electrode of the battery.Yellow line: Key line, with memory line, pick-up key switch.Black wire: Connect the negative electrode of the battery or the ground wire of the car.12V output cable connection Description:Red-line: the main power-cord of the electrical adapter.Yellow line: Rem line, with memory line, electrical control.