This is a Scalextric P9300 Digital 15V 4 Amp Transformer. It is a switching mode power supply suitable for Scalextric 4-car and 6-car Digital Powerbases, and also the Hornby Select Digital Control Unit. This transformer provides higher voltage and power than previous models, sufficient for 4 cars. Power Input: AC 230-240v 1.5A 50/60 Hz. Power Output: DC 15v 4.0A. The product is supplied unboxed but is brand new and will be well protected for posting.