Innovation and Technology: Our 12V USB outlet utilizes the latest chip technology to provide a boost function, allowing for charging of tablets at 15V and computers at 20V even when the input is only 12V (The latest boost technology pioneered by our Ouffun brand). We've also increased the length of the product for higher power and improved the aluminum texture for faster heat dissipation. Reliable and Durable: Our 12V USB charger is an official certified USB fast charger, equipped with a Smart Boost 65W USB PD fast charging port and an 18W QC3.0 USB A fast charging port, making it perfect for charging cell phones, tablets, laptops and other devices. The two ports can output simultaneously without affecting each other. The aluminum case is also scratch-resistant and extremely durable. Smart Voltmeter: Our 12V USB outlet features a new voltmeter that displays real-time battery voltage when powered on without the USB cable plugged in or with only the USB-A port cable plugged in.