Feature: 1. Car Charger Adapter: Used with 12v voltage, can be installed on cars, motorcycles, ATVs, RVs, SUVs, boats, yachts, and other transportation tools, with a wide range of installations. 2. Voltmeter: The adapter is equipped with a colored voltmeter, which can detect the use of the car battery at any time, prevent safety accidents caused by bad batteries. 3. Material: Made of ABS environmentally friendly, flame retardant and high low temperature resistant material, with high safety factor to ensure safe operation. 4. Application: Multiple output options, 5V/3.4A, 9V/2.5A, 12V/2A, and the input voltage is DC12V, which can be used to charge mobile phones, tablets, navigation and GPS in car. 5. Practical: The charger socket is equipped with terminal wires, which is convenient and simple to install, and is novel in style, which effectively increases the aesthetics of the car. Specification: Item Type: Car Charger AdapterMaterial: ABSHead Diameter: Approx. 39mm/1.54inTotal Length: Approx. 54.8mm/2.16in Hole Size: Approx. 28mm/1.10in Line length: Approx. 60cm/23.62in Material: ABS flame retardant environmental protection material Color: Black shell Input Voltage: DC12V Output: 5V/3.4A; 9V/2.5A; 12V/2A Voltage Test Range: 11-14V Application: Can be used to power most car supplies or equipment such as mobile phones, tablets, navigation and GPS; color screen voltmeter can be used to detect the use of car voltage. Fitment: Can be installed on DC12V cars, motorcycles, ATVs, RVs, SUVs, boats, yachts. Package List: 1 x USB Charger2 x Connection Cable2 x Terminal1 x Manual