Features: Our 12V USB outlet features push button Switches to prevent battery drain from constantly LEDs, extending battery The flip dust cover block water and dust while making it easy to open devices compared to spring-loaded covers. Suitable for indoor automotive use away from water and harsh weather. The 12V USB outlet features ABS materials to protect device from over-voltages, overheating or short-circuits. Only a small hole is need for wire passage. Connect the black wire to the negative poles and the redness wire to the positive poles, then tighten the screws and cover the lid. The Surfaces mount installation is easy and suitable for boats, campers, and more. Specifications: Component:ABS Type:Double USB/Double USB/USB+USB C Input: 12V USB output: 5V3A 9V2A 12V1.5A Type C output: 5V2.4A 9V⎓3A 12V⎓2.5A Size:Approx.6.8x3.8cm/2.68x1.5inch Package Includes: 1Pc USB Outlet note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.