3 in 1 Tent Base Dual USB Car Charger Socket Power Outlet LED Digital Voltmeter Power Socket for Truck Car Marine

3 IN 1 TENT BASE USB CAR CHARGER SOCKET: This 12v socket base designed with 12v RV USB outlet + LED digital display voltmeter+ 12v power outlet. Multifunctional three-hole 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!