The Palitoy Mainline Railways Airfix 00 Gauge Mains Power Unit is a 12V 4VA transformer designed for model railways and trains. With an analogue control system, this transformer provides the necessary power to operate your train set smoothly and efficiently. It is a collectable item for hobbyists and enthusiasts looking to enhance their model railway experience. Has around 6'7 2m of mains flex and approx 26" 670mm of 12v output wire