3 Port Design: This RV USB outlet comes with a 1A output USB-A port, a 2.1A USB-A port, and an 18W USB-C port to charge your devices easily and efficiently Versatile Charging: The 2.1A USB-A port and PD port provide fast charging for your devices, while the 1A USB-A port is suitable for charging smaller devices such as smartphones Durable & Safe: Made of high-quality ABS and aluminum panel materials, this marine USB charging port provides over-current, over-voltage, and short-circuit protection for reliable charging Simple Installation: Mark the hole for drilling, insert the outlet, screw in the screws, and connect the red wire to '+' and the black wire to '-'. The blue LED indicator lets you check the connection status with ease Wide Application: This 12V/24V charger outlet can be used in cars, motorcycles, buses, RVs, boats, and more