Specifications: This four holes panel base including a dual USB socket + voltmeter + 12V power outlet + toggle switch. Widely used for 6-24V car, truck, motorcycle, RV, ATV, boat, camper vehicles, etc more→. The USB socket port fits for charging any 6-24V devices and charges fast. Small size and excellent performance, and LED digital display looks cool in the dark. Can display the current detected by the intelligent circuitry while charging to ensure safety. Intelligent circuit design protects against excessive current, overheating, and overcharging. Convenient and practical car supplies. Item Name: Car Power Socket Material: ABS Color: Black/Blue USB Socket Output: Dual DC 5V/2.1A Power Outlet: