This power adapter is specially designed for various devices in cars, trucks, and outdoor scenarios, ensuring conversion with its compact and efficient build. Efficiently convert 12V 24V input to stable 30V 3.5A output with a built in boosting converter, fluctuations for consistent power (ensuring engine is running during use). Featuring PVC and aluminum construction with professional waterproofing, this adapter resists and , delivering stable even in harsh environments. Equipped with overload, over current, overheating, and short circuit protective to ensuring safe operational and stable power supply for connection devices. Package includes: 1Pc Power Converter