Dual QC3.0 USB Ports & Dual PD 3.0 Ports Dual USB charger socket has two PD 3.0 and 18W / 3A QC3.0 fast charging ports, which is 4x faster than conventional chargers. Allows to charge 4 device at the same time. Backwards compatible with Quick Charge 2.0 & 1.0. Suitable for all popular USB or USB C devices, such as 15/14/13/12 Pro Max/11 / XS Max/XS, Galaxy S24 Ultra / S23 / S22 / S21+ / S20 / Note 10+, P9 / G5 / HTC 10 / ZTE Axon 7 etc. Note: The car charger will consume 30mA current at most when the vehicle has been switched off Simply installation This USB outlet is very easy to be installed within 20 minutes: "+" is plugged into positive pole and "-" is put on negative pole. It can also be connected to an on / off switch to save energy Premium material Different from the nylon material on the market, this usb car charger is made of metal shell with better heat dissipation, which has advantage of non-flammable, wear resistant and good stability. The current voltage values can also be displayed when using the fixed protective cap above the USB interface. Besides, the cap has waterproof function, which effectively protects the charger against sudden water splashes Highest Safety StandardsQC3.0 dual USB charger socket is in line with the safety and quality regulations of the strictest. Provides protection against overload, overvoltage, overcurrent, overheat and short circuit, so that you have maximum safety in use. Certificated by CE and ROHS SafeMade of high-quality ABS and aluminum, offering over-current, over-voltage, and short-circuit protection for reliable charging Wide ApplicationCompatible with 12-24V vehicles, perfect for cars, trucks, RVs, boats, motorcycles, and more Specification: Origin: Mainland China Material: PC Color: black Size: 9.8x4.1x3.55cm/3.9x1.6x1.4inch Package: 1 pcs RV Car Charger