Features: This high efficiency converters speed controllers seamlessly converts 36V 72V input to stable 12V/10A output for powering 12V electronics in electric scooters and automotive systems. Featuring technology, aviation aluminum housing, and builts in protections against reverse connection/short circuits, this Step downs power supply module ensures high performances in temperatures and vibrations. Ideal for electric scooters owners, automotive technicians, and enthusiasts needing stable 12V power for LED light, horns, or low power devices under 100W. Safely power critical like instrument panel, LED work light, and audios systems on wheel electric vehicles during commutes. Engineered with Voltages regulation designs, this 120W Converters delivers continuous 85W outputs while dustproof, waterproof, and road conditions. Specifications: Component: Aluminum Alloy Voltages: 36V-72V Size: 9x5.3x3cm/3.54x2.09x1.18inch Package Includes: 1pc Power Converters note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.