The Hornby R921 controller is a DC speed controller designed for model railways in 1:76 scale. This pre-built unit has a wattage of 250W and operates on a 12V voltage. With an analogue control system this controller by Hornby is ideal for collectors of model railways and trains looking for a reliable and efficient control unit for their OO gauge tracks. Made of plastic, this controller is a ready-to-go unit that will enhance the operation of your model railway setup.
