Specifications: Power Socket: Anti-flame retardant ABS material with rubber splash proof tight fitting front cap. Twist-and-lock locking socket, allows a suitable power plug(not included) to lock into place. Works with all 12V - 24V accessory plugs dual USB charger. DC Voltmeter: Display segment LED digital tube. Monitors the state of your battery between full charged and discharged. Connect to your 12 - 24V volt system. Dual USB Charger: Suitable for charging GPS, mobile phones and other digital devices. Type: Dual USB Charger + Voltmeter + Outlet Socket Panel Material: Environmentally Friendly Anti-Flame Retardant ABS USB Socket Power Output: DC 5V 1A / DC 5V 2.1A Input Voltage: DC12 - 24V LED Color(Optional): Red, Green, Blue Universal fits for 12V - 24V Vehicle, Motorcycle, ATV, Boat, Car, Marine, UTV, Camper, Caravans, Travel Trailer, etc Features: 3 Holes Panel, Good Quality, Universal Length: 15cm/5.91", Width: 4.2cm/1.65" (Approx.) Notes: Professionals install is strongly recommended to avoid trouble. Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Dual USB Charger + Voltmeter + Outlet Socket Panel 6 x Terminals 4 x Screws