Amarine-made Waterproof 8 gang rocker switch Panel + Red Digital Voltmeter + Double USB Power Charger Adapter + 12V Cigarette Lighter Socket for Marine Boat Car Blue LED light indicator and with a 2 USB charge slot can satisfy you all king of charging needs Switch are marine-grade; waterproof and approve Rhos and CE, Totally friendly-environment. Easy to install: only put this in to the switch hole, fix it with screws and then you can begin to use it. Panel comes with pre-wired, mounting screws and a set of 100 piece labels;wiring instructions. Number of Switches: 8 ; Stainless Steel Screw: 6 pieces