The battery adapter comes with wire terminals, 30A fuse, screws, and other accessories. These included components help simplify your DIY setup and are suitable for both indoor and outdoor applications. (Note: Batteries are not included.) This adapter can be safely used to upgrade electric ride-on toy cars, remote control trucks, robots, work lights, and similar devices. Specifications: - Input voltage range: 17V–65V - Output voltage: 12V - Output current: 10A - Power rating: 120W Wiring instructions: Input side: - Red wire: Connect to the positive terminal of the power source - Black wire: Connect to the negative terminal of the power source Output side: - Yellow wire: Connect to the positive terminal of the load - Black wire: Connect to the negative terminal of the load Precautions: a. This buck converter does not have reverse polarity protection. Always verify correct polarity when connecting both input and output to prevent damage. b. Ensure the input power source provides sufficient voltage and power to support the connected device. c. The connected load must operate at 12V and its power requirement must not exceed 120W, the maximum output capacity of the converter. Accessory styles and colors may vary slightly between production batches, but functionality remains unchanged. Color: Yellow & Silver Material: ABS Package Contents: 1 set x Lithium battery adapter step-down module Note: The actual product color may vary slightly due to lighting conditions and display settings. Measurement tolerances are within +/- 1–3 cm.