12V Car Cigarette Lighter Socket - QC3.0 USB Output Panel - 3-in-1 Waterproof Pre-Wired Charger with Voltmeter/Digital Switch for Marine Boats

General Description This 12V cigarette lighter socket is equipped with a QC3.0 USB port, a digital LED voltmeter, and a waterproof switch. It is designed for a wide range of applications, including 12/24V cars, boats, ATVs, and RVs. The digital voltmeter allows for quick voltage readings, providing added safety during use. Technical Specifications Input Voltage: 12V USB Ports: 2 x QC3.0 USB Display: LED Digital Voltmeter Protection: Overload, overcurrent, and short circuit Dimensions: Not specified Installation Easy to install and use Connect the positive terminal to "+" and the negative terminal to "-" Follow the wiring diagram for connection Use Fast charging for digital devices such as GPS devices, mobile phones, cameras, MP3 players, and tablets Can charge two devices simultaneously Other Information