Used..see photos,,tested.

This H&M Duette Twin Power Supply Unit/Controller is a vintage item from the United Kingdom. It is a ready-to-go, pre-built unit with a total output of 2AMPS and features analogue control system. The unit type is a speed controller and the colour is grey.

The model is named Control Unit and it is suitable for use with DC power type. It is perfect for collectors and enthusiasts of model railways and trains. This item is categorised under Collectables, Model Railways & Trains, Power & Control, and Speed Controllers.