Key benefits Automatic intelligent identification: The RV USB outlet automatically identifies the current and voltage needed by the connected device, delivering the appropriate charging current (3A / 2A / 1.5A) and voltage (5V / 9V / 12V) for efficient charging. Wide range of applications: Suitable for installation in RVs, buses, ships, and other vehicles or spaces where USB charging is required. Easy installation: Create an opening with a hole opener, insert the RV USB outlet, and secure it with the threaded fixing ring. Attach the red wire to the power supply's positive pole and the black wire to the negative for straightforward wiring. Enhanced safety: Provides protection against overtemperature, overvoltage, short circuit, overload, overcurrent, and overcharging to safeguard devices and ensure stable, safe performance. What it does and why it matters Delivers safe, fast charging by adapting to each device's needs, reducing the risk of damaged batteries or ineffective charging. Supports common vehicle environments, enabling convenient charging in multiple settings without swapping outlets. Specifications and compatibility Current options: 3A, 2A, or 1.5A Voltage options: 5V, 9V, or 12V Designed for RVs, buses, ships, and other mobile or remote installations requiring USB charging Installation overview Step 1: Use a hole opener to create the mounting opening. Step 2: Insert the RV USB outlet into the opening. Step 3: Secure with the threaded fixing ring. Step 4: Wire by connecting red to the positive terminal and black to the negative terminal of the power supply. Use scenarios In an RV or motorhome, mount in the dashboard or living area to keep smartphones, tablets, cameras, and other devices charged during travel. On a bus or coach, provide convenient passenger USB charging to keep devices powered during trips. On a boat or , install in cabins or common areas to maintain charging for USB devices while underway.