Input Voltage: DC 12V/20A, 24V/10ACar Charger Socket:12V/ 24VOperating Temperature: -20C+110CRocker Switch: 515A Inline Fuse Box HolderSwitch Type: On – OffUSB: 5V 1A +2.1ALED Color: Red/GreenMaterial: ABS+PC+AluminumFeature:1.Rear with 15A fuse protection function.2.presented with vehicle and marine labels, easy for DIY.3.Pre-wired for you to easily install in both 12V and 24V vehicle, yacht, ship, caravan, truck, etc.4.Switch panel for controlling universal electrical equipment in the vehicle: headlight, fog light, width light, car refrigerator switch, car vacuum switch, take electric for automobile external equipment, car charger and so on.5.Dual USB charging ports(DC 5V/1A, 5V/2.1A), charging your phones, tablets, cameras, GPS, wireless headphones, etc.6.12V/24V car charger.7.Digital voltage display helps to monitor vehicles electrical safety from 5V to 30V.8.Easy to replace, protect panel from over-heating, over-currents, over charging and short circuit.9.High quality, more durable and solid aluminum panel than the plastic or the wooden one.Connection instruction:Black Wire = NegativeRed Wire = Positive