【Quick Charge 3.0】 Designed with two USB ports supports QC 3.0, whose maximum single output is 18W. Built-in smart chip, intelligently recognizes your devices and simultaneously charges 2 devices with more→optimal current. Charge compatible devices up to 4 times faster than conventional chargers. 【Cigarette lighter socket】 Total power up to 120W (12V) / 150W (24V). Enough for everyday use, fits perfectly for compatible devices such as dash cam, GPS, vacuum cleaner, air purifier, etc. 【Wide compatibility】 This QC 3.0 USB charging socket fits 12-24V car, boat, marine, motorcycle, ATV, RV etc. Suitable for charging cell phones, GPS, digital cameras, PDAs and other USB accessories,