WIDE COMPATIBILITY: Dual PD 3.0 TYPE C outlet is compatible with DC 12/24V car, truck, motorcycle, marine and RV power systems. It's perfect for use on the go and can charge a variety of devices including smartphones, tablets, cameras, GPS devices, and more. ANTI-SLIP PUSHBUTTON SWITCH: The 12v marine power outlet features an anti-slip pushbutton switch for more stable control than touch buttons. The switch can control the LED digital display to avoid draining the battery due to constant light after the engine is started, effectively extending its service life. (Note: When the switch is turned off, the power supply and digital display are both turned off.). SAFE & RELIABLE: The 12v dual USB C car charger socket is equipped with an aluminum alloy shell, providing over-current protection, over-voltage protection and short-circuit protection. Additionally, it includes a 10A fuse to ensure safe and reliable charging for all your devices. UPGRADED DUAL VOLTMETER DISPLAY: The 12v marine socket has built-in dual voltage and current meter display. When connected to the PD port above, the LED display can display the ammeter. When connected to the bottom PD port, the LED display can display voltage and current, allowing you to monitor your vehicle's battery health and performance. DUAL PD3.0 PORTS CHARGER: This car charger socket has two USB-C ports that can be used at the same time. At 24V, the two PD ports can output of 55W. At 12V, the two type-c ports can output of 30W. Faster and more efficient than ordinary chargers on the market.