Features: Designs for powering for 3rd Generation/MINI routers in trucks, and other outdoor use. Capable of boosting input voltages from 9V-28V to a stable 30V output, this adapter ensures that device receives the necessary power without concerns of voltages drop or surges. Constructed with enduring aluminum housing and seal with silicone, this power adapter is builted to bear challenging environment. The waterproof adapter allows for easy and secure connection to your power sources, making it great for outdoor use where exposure to moisture may occur. Equipped with multiple protections including overcharge, overcurrent, overheating, and short circuits safeguards, this converter prioritizes safety. Specifications: Component: Aluminum shell and coppers wire Size: about 63.4x57.5x21mm/2.5x2.26x0.83inch Input Line Length: about 30cm/11.81inch Output Line Length: about 98cm/38.58inch Input voltages ranges: DC9-28V Output current: 3.5A Output voltages: DC30V Conversion efficiency: 96% Package Includes: 1Pc Power Converter note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.