[Independent Power Switch]QC 3.0 car charger has an independent switch for each Cigarette lighter socket not only expands the lifespan of the car cigarette lighter splitter effectively by saving you from the repeated plug in and out but also protect the 12V car charger adapter away from short circuit. The main switch controls all sockets and USB ports [Voltage Monitor & Reminder] type c car charger Once the vehicle power center is on and turning on the main switch, the LED display will monitor your car battery automatically. Moreover, the LED display will flash to remind the driver if the car battery voltage is too high or too low, give you a safe driving [Wide Compatibility ]cigarette lighter splitter is universal for 12-24V vehicles and is suitable for Phones, Android, tablets. It can also fit multiple car appliances like a dashcam, GPS, and so on. [Compact & Integrated Design ]Integrated design with streamlined appearance, upgraded plug can stay in your car socket securely.An extension cord makes it convenient for your family and friends in the backseat. Colour:black Material:ABS Package Contents: 1 * Car charger Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.