The product is a set of two Hornby HM2000 Twin Track Controllers and Power Leads, along with an additional HM2000+ AddOn. These controllers are designed for analogue control of model railways and are powered by DC. Made by the brand Hornby in China, these speed controllers provide a convenient way to power and control your model train setup. Perfect for collectors and enthusiasts, this set offers a reliable and user-friendly solution for controlling your model railway.