Outdoor Revolution Mobile mains power unit, with 2 built-in USB Ports is the perfect way of providing mains electricity into your tent/awning. Featuring 15 meters of waterproof cable and a splash-proof mains unit (that will be inside your tent/awning) 3 x UK sockets with RCD protection and 2 USB ports, it’s the perfect way of charging your phone/tablet or running your heater and toaster.