Multi-function designed: this switch panel is integrated with 3 rocker switches and 4.8A dual USB charger with voltmeter. suitable for most 12v-24v dc cars, utvs,atvs, trucks, trailers, rvs, caravans, buses, marine boats, yachts etc.Efficient charge: dual USB charger enable you charge two devices simultaneously at full speed with 2.4a in each USB port. with a total power of 4.8A, it works for all usb-powered devices. makes the charger 40% faster than conventional chargers.Led voltage display: the voltmeter is builted in the center of the usb charger, clearly shows the current readings of working volts, easily notice the voltage condition of the vehicles.Quality assurance: the panel is made of strengthened aluminum and well-conductive pins,ensure long lasting durability highly optimized for general use and will give you a pleasant experiencePackage include:1x 3 gang switch panel,4 x fixing screws, 2 sets of DIY stickers