General description This 12V Built-in USB Socket and Cigarette Lighter Socket Panel is designed for versatility and convenience. It features a waterproof and dustproof design, making it ideal for use in boats, ships, motorcycles, and other outdoor applications. The panel includes a blue LED voltage display that monitors the vehicle battery's real-time voltage status, helping to prevent low voltage issues. Technical specifications Input Voltage: 12V to 24V USB Ports: Dual 36W QC3.0 Maximum Power for Cigarette Lighter Socket: 250W Compatibility and accessories Compatible with cars, boats, motorcycles, ATVs, RVs, and more Can be used to charge mobile phones, GPS, digital cameras, PDAs, and other USB accessories Master switch can be replaced with other accessories, such as a car USB socket or a cigarette lighter socket Installation Panel mounted design for easy installation Usage Charge multiple devices simultaneously with dual USB ports Use the cigarette lighter socket for devices like