Features: Double USB charging ports(DC5V/2.1A), charging your phones, tablets, cameras, wireless headphones, etc. 12V/24V Cigarette lighters can light your cigarettes. Digital voltage display helps to monitor vehicles electrical safety from 0-24V. Easy to replace, protect panel from over-heating, over-currents, over charging and short circuit. Pre-wired for you to easily install in both 12V and 24V vehicle, yacht, ship, caravans, truck, etc. Specifications: Material:ABS Voltage: 12V~24V USB socket output: DC5V 2.1A Power outlet: DC12V Voltmeter display range: 0 ~ 24V Overload protections: 12V ~ 24V, DC15A Operating Temperature: -25 degree to 80 degree Light Color:Red,Blue,Green Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Rockers Switch Panel