Ring Automotive RMS2 This unit has been designed to aid the motorist with his power requirements . As we use more and more devices in a car we end up with less and less place to plug them in which is how the Ring RMS2 came into being. the Unit Boasts the following features 2 Illuminated Accessory sockets Battery analyser to show power charge level Coiled power cable with fused plug Mounting arms for permanent fixing Maximum current rating 8amp