1Function: The device can convert DC 24V voltage to DC 12V voltage, with high conversion efficiency and good stability, and supply power to 12V equipment used on 24V vehicles. 2Shockproof Iron Shell: The buck converter adopts iron shell, the surface is sprayed with black powder ink, shockproof and wear resistant, which can effectively protect the electrical equipment. 3Wide Application: Suitable for various vehicles including cars, trucks, RVs, SUVs, and buses, equipped with audio, monitoring cameras, and electrical devices for reliable power supply. 4Safety Protection: Equipped with short circuit, overheat, and overload protection, ensuring the safety and reliability of your electrical appliances and vehicle circuits. 5Fast Heat Dissipation: Dual fans can actively dissipate heat to ensure no heat accumulation, ensure that the step down converter maintains good working condition, stable performance and long lifespan.