The R7324 adapter enables a Hornby Power Supply Unit (PSU) to be connected directly into the Hornby power track for HM7000 fitted locomotives. Please note, this is the recommend method of supplying power to the track for the HM7000 system. The adapter is designed to fit 00 scale R8241 and Hornby TT:120 TT8029 digital power tracks, and is compatible with the following Hornby UK Power Supply units: P9100W – 1 Amp UK, P9300W - 4 Amp UK, P9600W – 1.2 Amp UK About Hornby: As the UK's leading model railway designer, Hornby have been thrilling model making enthusiasts for over 100 years. Since 1920 Hornby have been the brand leader in 00 Gauge model railway design. Whether you're a seasoned model maker or just beginning your journey, with it's range of unique trains, track accessories, scenery kits and more, there's always something for you at Hornby A Brief History: In the 1920s, the Hornby Clockwork Train Sets became the first in a long line. These sets were available in three liveries and featured an 0-4-0 locomotive, paving the way for the hobby. Growth occurred rapidly for the brand, with the first years of the century seeing an ever-increasing range of sets, locomotives, wagons, coaches, scenic accessories and more, Manufacturer: Hornby Hobbies LTD