DIY Four Hole Panel Base; Dual USB Socket + Voltmeter + 12V Outlet + Toggle Switch.
USB socket output: DC 5V / 4.2A; Power outlet: DC 12V; Voltmeter display range: 0 - 24V.
Small size and excellent performance.Easy to install, convenient to use.Widely used for car, truck, Rv, ATV, boat, etc.
About the switch hole, It could be used for a cigarette(Can Not be used to light cigarettes)If you don't need the switch for a while. So enjoy it depend on what you wold like it to be. It has two different use, why not ordering it now
Package includes: 1x Cigarette Lighter Socket + 1x Red LED Voltmeter + 1x Red Dual USB Charger + 1x Red Round Toggle Switch + 9 x Insulated Terminals + 4 x Screws (Not Included Connection Wires).