?Easy to Install for All 12V-24V Vehicles?Installing this 12V USB outlet is easy! Simply drill a round hole and insert the product and tighten the screw ring, then connect the positive and negative terminals of the 12V USB outlet to your vehicle's battery terminals. It fits for all 12V-24V vehicles, cars, boats, trucks, RVs, campers, motorcycles, ATVs, bicycles, golf carts, boats, SUVs and so on. This 12V USB outlet is a convenient charging solution for all journeys. ?Cover & Waterproof & Dustproof?12v usb charger has a protective cover, specifically designed to prevent water splashes and dust. The cover of 12v usb charger offers enhanced protection, ensuring its functionality and safety in outdoor or dusty environments, regardless of rainy day or off-road excursion. With this 12v usb charger, you can charge your device when necessary, and without concerns about water splashes or dust impacting its performance when not in use. ?PD + QC3.0 Dual Output port?This 12v usb outlet is equipped with PD and QC3.0 output port, allowing for fast charging of 2 devices simultaneously. It is compatible with a wide range of smart devices, making it versatile for various charging needs on the go. But please note that this 12v usb outle is not compatible with MacBook charging. For fast charging of notebooks like the iPad Pro 2018 or iPad 12.9, please ensure sufficient voltage of 24V and use original or authorized third-party cables. ?With LED Voltmeter?Our 12v usb socket outlet for car can display the real-time voltage, which is compatible with both 12V and 24V vehicles. This useful feature of the 12v usb socket allows you to monitor the health and status of your car's electrical system in real-time. Easy voltage checking during road trips or commutes gives valuable battery condition and charging performance info. The clear voltage display lets you stay aware of power levels and take necessary actions. ?Fast Charging & 4X Faster Than Conventional?SETAWEEH 12V USB outlet delivers up to 4 times faster charging speed than traditional chargers. You can recharge your smartphones, tablets, or other compatible devices in a significantly shorter amount of time with this 12V USB outlet. It has a maximum output of 48W for PD port and 18W for QC3.0 port, allowing you to quickly charge your devices on-the-go, and to stay connected and powered up throughout your journey.