3 IN 1 Premium Car Charger Panel

3-in-1 Premium Car Charger Panel - Dual 12V USB Ports, LED Digital Voltmeter, Cigarette Lighter Socket for Truck, Car, Marine, Boat, RV - Compact, Space-Saving Design

3 IN 1 CIGARETTE SOCKET PANEL: This 12v socket panel designed with 12v RV USB outlet + LED digital display voltmeter+ 12v cigarette lighter outlet. Multifunctional three-hole panel for DIY demands, detachable to replace other charger sockets or anything else that fits. Convenient to install and operate.
DUAL USB CHARGER SOCKET: The output of this 12V/24V USB outlet is 2.1A & 2.1A (total 4.2A), 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!

Voltage input: 12-24V
Voltage output: 5V
Car charger: 4200 mAh
Voltmeter digital display range: 6-30V
No-light socket voltage and current output: 5V High current: 15A