Dual USB Car Charger Charging Black Universal 12V 24V for Mobile Phones GPS

Feature:Duble USB interface.Durable,stable,convenient.Overload protection,output short circuit protection.Come with waterproof cover,waterproof and dustproof.Can be chargering for your mobile phones,GPS,car audio etc.Widely used,suitable for 12-24V system. such as for vehicles, car,boat etc.Specification:Color: BlackVoltage: 12-24VOut Voltage: 5V 1A;5V 2.1AWorking Frequency: 50/60HZSize: 10cm x 6 cm / 3.9 inch x 2.36 inch (L x W)Quantity: 1 pcHow to Connect Wires:Red Cable: Connect to the positiveBlack Cable: Connect to the negativePackage Included:1 X USB Charger4 X Screws