🚗 ZYTC Waterproof QC3.0 Car Charger USB Outlet Socket 12V/24V Blue LED Digital Voltmeter with On/Off Switch: Ideal Automotive Power Solution for Car Boat Motorcycle Marine Review

18W USB Quick Charger -- Charge your device at full speed with 3.6A. With a total power of 18W, the charging speed is 4x faster than conventional chargers and works for all USB-powered devices. Power Switch -- USB charger socket designed with On / Off switch for energy-saving and devices protection, expanding lifespan of devices. It conserves electricity and doesn't drain any power when switched off. Waterproof and Heat Resistant -- Made of super Nylon materials with IP66 waterproof grade, does good job on high temperature and low temperature environments ( - 4°F to 176°F). Ideal for car, motorbike, boat and marine. LED Digital Display -- Built-in LED digital display voltage helps to monitors the health of your vehicle's battery and electrical system in real-time. and allows quick and easy usage in the dark or at night. It is compatible with most vehicles with a voltage of DC 12-24V connections. Easy Installation -- This USB outlet is very easy to be installed within 20 minutes: "+" is plugged into positive pole and "-" is put on negative pole.