Scanstrut ROKK dual USB charger socket SC-USB-01 is designed for use on board boats to charge phones, tablets, fish finders, chart plotters and many more. The waterproof USB socket features two 1.5A sockets, to charge multiple items at once, and creates a waterproof IPX4 seal when closed whether it has 2, 1 or 0 USB cables connected. The outer shell is UV resistant and is attached to a stainless steel 316 hinge and spring to ensure suitability in the marine environment. The barrel is a standard 29mm diameter so should retrofit into existing USB socket installations with a max panel thickness of 25mm. It also features a low profile design, only protruding 55mm from the bulkhead.