2-Port Fast&nbsp;Car&nbsp;Charger 5Amp 360 Degree Rotation 4 in 1 Multifunction with Voltmeter Ammeter Temperature Gauge for Cellphone Tablets Can be rotated 360 degree horizontally,90-degree rotation vertically. Universal car charger fits for all cars/vehicles. Easily plugs into vehicle's cigarette lighter or power receptacle to monitor battery and charging system voltage,and display current range,temperature range. High conversion efficiency but low heat,comes with the latest technology that prevents short circuits, over-heating, over-current and over-charging.