Features:1. Made of flame retardant materials2. Waterproof Design， Short circuit / overheat protection3. Come with dust cover Heavy duty construction4. Dual USB socket charger， Suitable for charging GPS， IPhone， IPod， PSP， Mobile Phones and other digital devices5. 12-24V， Universal fits for Vehicles， Motorcycle， ATV， Boat， Car， Marine， UTV， Camper， Caravans， Travel Trailer， etc. 6. High quality voltmeter socket， Blue LED indicator7. Standard Nut InstallationSpecification: 100% Brand new and high qualityColor: BlackLED Color: BlueMaterial: ABSSize: 15��4.3��5.3cmPower Socket:Input: 12V 20A DCOutput: 24V 10A DCMerit Socket:Input: 5-30V DCCigarette Socket:Input: 12V 10A DCDual USB Charger Socket:Input: 12-24V DCOutput: 5V 3.1A DC (Total)Voltmeter Socket:Input: 5-30V DCPackage Included: 1��dual USB car charger 1��voltmeter socket 1��power socket 6��terminal connectors 4��screws