Hornby Zero 1 Master Control Unit – vintage digital controller from the late 1970s/80s. Tested and working — powers on, switches operate, and indicator lights function. Ideal for collectors, restorers, or anyone running a vintage Hornby Zero 1 setup. Details: • Model: Zero 1 Master Control Unit • Controls up to 16 locomotives • Includes operating keyboard, speed regulator and direction control • Indicator lights: Power / Error / Overload • UK 3-pin mains plug • Approx size: 32cm x 20cm x 12cm Condition: • Fully working • Vintage item with normal cosmetic wear (see photos) • All buttons and switches intact • Sold exactly as shown — no extra modules included Postage: Will be securely packed and sent via Royal Mail Tracked or Evri.