some have been used and others still new in packaging The Hornby Zero 1 Master and 5 Slaver Units are vintage speed controllers from the 1980s, designed for model railways in the OO gauge. Made from plastic, these units have a scale of 1:76 and are compatible with DCC control systems. With a wattage of 250W, they provide ready-to-go assembly status for collectors and enthusiasts looking to enhance their railway collection with a classic Hornby product.
