Dual USB Charger. You never have an open USB charger outlet when you need one, but now you can have two. Used to power or charge phones, cameras or tablets with USB charging capabilities, this RedRock 4x4 Dual USB 5 Volt 4.2 AMP Fast-Charger Rocker Switch is ideal for use with all your mobile devices.Simple Installation. Using a simple two wire connection for power and ground, this Dual USB Charger is designed to be hard-wired into your 's electrical system. Drilling maybe required depending on mounting location. Please note that this is not a plugin charger.Application. This RedRock 4x4 Dual USB 5 Volt 4.2 AMP Fast-Charger Rocker Switch is designed to be used on 1997-2023 Wrangler TJ, JK and JL models. Sold individually.