This 3-way 12V adapter with USB port charges 4 devices at once so you can keep multiple devices powered while on-the-go. Perfect for traveling for business or pleasure. Whether you have multiple devices for work or more than one passenger that needs to charge their phone this adapter keeps everyone happy and all your devices running. Do not exceed 10 Amps max capacity for all devices. Keep it in the cab of your truck or stored in the camper for convenient off-grid power when needed. A great van life accessory too. Compatible with mobile phones or dashcams and tablets plus more. This adapter allows you to keep your devices charged while on the go whether your on a road trip or just commuting to work. You wont have to worry about running out of battery or finding a power source as long as you have access to a 12-volt outlet. Count this among your useful car accessories since it takes up a lot less space than having multiple chargers. Reduce clutter in your truck or car or any vehicle that has a 12v socket power auxiliary available. Cord measures 2 FT.