Features: Suitable for electric guitars, automatic pet feeders, routers, and other 10V electronic devices. Metal housing with waterproof design. Available in 3A, 4A, or 5A current options. Input: DC12V-24V, black wire negative, input wire length approximately 13cm. Output: DC10V 3A/4A/5A (selectable), yellow wire positive, black wire negative, output cable length approximately 13cm. Specifications: Item Power Converter. Supports DC12V-24V to 10V step-down conversion. Output: DC10V 3A/4A/5A (selectable). Dimensions: Approximately 40x20x25mm / 1.57x0.78x0.98in. Package Includes: 1 x Power Converter. Note: Due to lighting effects and shooting conditions, slight variations in color or appearance may occur. Please allow 0-1cm error due to manual measurement.