The Hornby Zero 1 R951 slave control unit is a pre-built 00 gauge speed controller designed for model railways enthusiasts. This analogue-controlled unit, with a power type of DC and a wattage of 250W, is suitable for 1:76 scale trains. Manufactured in 1980, this plastic control unit by Hornby is compatible with DCC control systems, offering a reliable and efficient way to control the speed of your model trains.as new boxed ???? only used a few times
