Marine Dual USB Charger Car Boat Dc Socket with Two USB Charger Waterproof 1a 2a Marine Dual USB Charger Great for boats - Waterproof Design,Waterproof Usb Cap - Power Input: Dc 6V-30V - USB Socket I Power Output: Dc 5V 1A,Usb Socket Ii Power Output: Dc 5V 2A - Standard Nut Installation * 6 Feet Power Cable Included