["Description:\n\nFeatures:\nReal-Time LED Voltmeter - This switch panels for trucks with large digital voltmeter display that shows 6V-30V voltage, you can monitor the condition of the battery on your car or boat that if the voltage is under normal status.\nThis 12V USB socket is built-in dual charging ports, two QC3.0 ports output: for DC 5V/3A;9V/2A;12V/1.5A,suitable for cellphone tablet gps and more deivces,Multi functional product, perfect for travel use,With ON/OFF Switch and power cable,Easy to use and save energy..\nWaterproof dust proof material can be used for the interior and exterior application,Install in any 12V-24V motorbike, Boat, Riding mower, tractor or car.\nMultifunctional product,perfect for travel use. Fits for 12-24V for Cars, Trucks, Marine Boats, ATV, RV etc. The USB socket with dual output QC3.0 USB fast charging port.\nApply to all USB charging mobile phones or other electronic products. Run multiple accessories at one for time, very convenient and easy to use.\n\nSpecifications:\nItem Type: car QC3.0 USB fast Charger With LED Voltmeter\nMaterial: ABS + Metal\nHousing Color: Black\nLED Voltmeter Display: Green,Blue,Red(optional)\nPanel Size: 135x51mm\n(1) USB Charger:\nInput voltage: 12V-24V\nInterface: USB\nUSB Output: for DC 5V/3A;9V/2A;12V/1.5A\n- Widely used with electric equipment for power supply: Vehicle,GPS, mobile phone, camera, mp3 and more.\n(2) Voltage Meter:\nOperating Range: for DC 6-30V\nQuantity: 1 (other accessories demo in the picture is not included)\n\nNote:\n1.Transition: 1cm=10mm=0.39inch\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 X Car QC3.0 USB Fast Charger with LED Voltmeter and on off Switch"]