USB Charger Socket, CHGeek 18W 12V/24V Quick Charge 3.0 USB Car Charger Power Outlet Adapter Waterproof with On Off Switch LED Digital Play for Car RV ATV Boat Marine Motorcycle Mobile

?QC3.0 USB CHARGING PORT?With Quick Charge 3.0 technology, the port delivers the fastest charging efficiency up to 80% in 35 minutes, 4x faster than conventional charger ?NEW UPGRADED with SAFE POWER SWITCH?CHGeek 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 ?LED VOLTAGE DISPLAY?LED digital voltage monitoring function helps to monitors the health of your vehicle's battery and electrical system in real-time. Besides, the blue light is perfect for night use. Note: ???The voltage reading will not be visible until this socket is powered and user switch on the button ?HIGH SAFETY STANDARDS?Smart IC technology protects your devices from over-current. The 23.7 Inches cable has a 10A built-in fuse for over-load, over-heat, over-voltage, under-voltage and short-circuit protection. Certified by RoHS, CE & FCC ?WATERPROOF AND HEAT RESISTANT?Made of super Nylon materials with IP66 waterproof grade, the USB charger socket does well on high and low temperature environments ( - 40°F to 140°F). Ideal for car, RV, ATV, motorbike, boat and marine