[Dual Qc3.0 Fast Charging Ports] Dual USB Charger Socket Has Two QC3.0 USB Ports, Which Is 4x Faster Than Conventional Chargers. Backwards Compatible With Quick Charge 2.0 & 1.0, Suitable For All Popular USB Devices, Such As Galaxy S8 / S7 Edge / S7 / S6 Edge / S6 / 6 / G4 / P9 / G5 / 10 / 7 Etc. [Led Voltage Display] Car Charger Socket Builts In Digital Led Voltage Monitor, Displays The Real-Time Accurate Voltage Status Of Your Vehicle'S Battery For Preventing Problems Caused By Low Voltage, The Led Light Also Makes Quick And Easy To Find USB Ports In The Dark Or At Night. [Multiple Protection]Made Of Heat- And Wear- Aluminum Alloy. Certified By Ce & Rohs With Over-Load, Over-Current And Short Circuit Protection To Charging Safety,,, Built-In Connection Protection Ensures The Circuit 'T Be Burnt Out If Wrong Wiring. Ip66 Waterproof Grade. [Broad Compalitity] QC 3.0 USB Charger Socket Fits For 12-24v Car, Boat, Marine, Motorcycle, Atv, Rv Etc. Suitable For Charging Mobile Phone, Gps, Digital Camera, Pda And Other USB Accessories. Material:plastic colour:red Package Contents: 1 * Dual USB Car Charger Adapter 1 * cable 2 * Blue Connection Cap Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.