Features: This automotive, bus, RVs, and marine retrofits chargers with switch and double USB 3.1A is designed for convenient and efficient charging on thegos. With its switch control function, this chargers allows users to easily turn it on and off, saving energy and ensuring safety. Its double USB ports deliver a total output current of 3.1A, enabling fast charging for two devices simultaneously. Idealfor car, bus, RVs, and boat owners and passenger, this chargers meets their needs for a convenient and efficient charging solution while traveling or docking. Whether you are on the road or at the harbor, this chargers is perfect for retrofits projects in automotive, bus, RVs, and marine settings. It provides fast charging for devices like smartphones, tablets, and navigators, keeping you powered up during your journey. Made with high quality materials, this chargers is not only durable but also waterproof, dustproof, and shock resistant, making it suitable for various harsh environments. Its LED indicator lights keep you informed about the chargingstatus and operation. Specifications: Material:ABS Product Color:Black Size:As Picture Shown Light Color:Blue/Red/Green Package Includes: 1x USB Chargers Socket note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.