3 in 1 Panel 12V 3.1A Dual USB Car Charger Socket Power Outlet LED Voltmeter Power Socket Adapter for Truck Boat RV

3 IN 1 POWER SOCKET PANEL: This 12v socket panel designed with 12v RV USB outlet + LED digital display voltmeter+ 12v Power outlet. Multifunctional three-hole panel for DIY demands, detachable to replace other charger sockets or anything else that fits. Convenient to install and operate. POWER SOCKETS: Total power up to 120W (12V) / 150W (24V). Met international standards, fit for multiple car appliances like Dash Cam, GPS, Sat Nav, Seat Heater, Car Humidifier, Car Fan, etc. DUAL USB CHARGER SOCKET: The output of this 12V/24V USB outlet is 1A & 2.1A (total 3.1A), which will auto-detect your devices and simultaneously charge 2 devices at optimal speed! REAL-TIME LED VOLTMETER: With a large digital voltmeter display that shows 0-30V voltage, you can monitor the condition of the battery on your car or boat if the voltage is under normal status. POWERFUL SAFETY PROTECTION: Built-in smart control chip, and 12 Volt USB panel could prevent car devices from overheating, over-loading，or short-circuiting. Overcharge Protection! Specification: Material:PLASTICS + METAL Input Voltage: DC 12V/20A, 24V/10A Power Socket:5V,15A USB Output voltage: 5V USBCurrent:1A +2.1A Voltage Display Range:6-30V Waterproof:IP65