We have both analogue and digital Hornby power and control available.
The Hornby R7229 Analogue Train And Accessory Controller OO Gauge is the straight forward but essential analogue option.
Then there is the HORNBY Digital R8214 DCC Controller Elite digital option with its 17 button keyboard, wide function LCD screen display and a 4 amp transformer. It is capable of registering 254 locomotive addresses as well as 255 accessory addresses, and that includes point control. It also has a USB port which can be linked to a computer.