Features: This compact bucking converter packs 20A output in a compact sized design with 93.5% high efficiency conversion, solving power density challenges for space constrained installations. Featuring 0.8-5.6V stepless voltages adjustment and 300KHz high frequency switching technology, it maintains ≤±1% voltages fluctuation across full loads . Designed for car electronics enthusiasts and hobbyists, it supports direct battery connection for automotive upgrades like powering high current devices during modifications. Ideal for road trips, this voltages regulator reliably runs car fridges, and LED displays where stable power prevents voltages shutdowns in environment. Engineered with over current protections, short circuit recovery, and integrated aluminum casing for heat dissipation, ensuring safe full load operate. Specifications: Component: electronic components and PCB Technology: High-frequency switching voltages stabilization technology (300KHz) Input voltages:DC9-14V Stepless adjustment:0.8–5.6V Most current:20A Efficiency:93.5%(5V20A) Size:Approx.5x2.8cm/1.96x1.1in Option Output:3V/3.3V/4.2V/5V/adjustable Note: Need to matching the load power, Ensures the heat dissipation environment, Avoid the input voltages exceeding the ranges; Package Includes: 1pc voltages Regulator Module note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.