Description: 【Product Size】: USB charger adapter, 69mmx39.5mmx12.5mm. Compact size, will not take up too much space. 【Double USB Ports】: The USB outlet socket supports double USB ports charging, which can charger two devices at the same time. Suitable for charging phones, tablet, cameras, etc. 【Smart Protection】: Professional manufacturing car charger, support input overcurrent, output overcurrent, overvoltage/low voltage protection, output current limiting protection, short circuit protection, overheating protection, and power output line loss compensation. 【Wide Application】: Universal USB power adapter, suitable for most vehicles, like cars, boats, RVs, trucks, buses, etc. 【Easy Installation】: The USB outlet panel is fixed with hidden screws, and the embedded installation, is beautiful and flat, easy to install. Specification: Input Voltage: 6-32V Output: 5V/1A 5V/2.1A Wiring Instructions: The Red Wire is Connected to the Positive Pole of the Power Supply, And the Black Wire is Connected to the Negative Pole of the Power Supply. Product Features: LED, 2 USB Ports Size Chart: 69mmx39.5mmx12.5mm/2.72inchx1.56inchx0.49inch Cable Length: 13cm/0.51inch Package Includes: 1 Set RV USB Outlet Panel Note: Please allow slightly errors due to manual measurement and different monitors.