[4 in 1 Charger Socket Panel]The 12V socket panel DIY kit includes an upgraded 12V USB socket with ON/Off button, high-power lighter socket, LED digital display voltmeter and rocker toggle switch. 4 in 1 design, saving space. This 12v switch panel can fit all your needs.You can also it with other charger sockets you have cause it can be freely interchangeable. [Upgraded Fast Car Charger] This multi port usb outlet with on/off button has dual QC3.0 port & PD USB-C. Up to 4x-5x faster than conventional charging. Each port can fast charge simultaneously without affecting each other. [High-Power Socket Kit]Supports for USB car charger, GPS, , dash cam, vacuum cleaner, radar detection and other accessories. Fits for 12-24V car, boat, marine, motorcycle, ATV, RV, van etc [LED Voltmeter & Toggle Rocker Switch]The voltage display of the blue LED can monitor your car battery voltage in real time. Also comes with a toggle switch that controls power to the entire panel to it doesn't run out of battery when idle color:Black Material:PC Package Contents: 1 x Multi Port USB Charger 1 x Lighter Socket 1 x LED Voltmeter 1 Toggle Switch & Panel 3 x connection wire 4 x Screws 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.