4X faster than conventional charging. Note: Some mobile phones do not support fast charging.Waterproof cap can prevent water from entering the installation gap under the premise of firm fixation.With blue LED indicator light, perfect for night use.10A fuse for overload protection, let this USB charger be with you on the road safety.The usb socket will be controlled by the car power manager, stop charge automatically when your device is fully charged.Product Description Fits for Car, Boat, Marine, ATV, RV, Motorcycle etc. Use for Phone, Pad, GPS, Camera, PSP, Car DVR, Rechargeable Headset and other USB accessories. Specifications Input : DC 12V-24V Output of each usb port : 5V/3A;9V/2A;12V/1.5A Supports HVDCP QC3.0/QC2.0, FCP, AFC, SFCP, Apple 2.4A, BC1.2, Sumsung 2.0A Package include: 1 x Dual QC 3.0 USB Car Charger Socket 1 x Red/Black wire with fuse 3.3 ft 2 x Fuse 10A(1 installed) 2 x Insulated Terminals