The Piko SmartTester, for easy testing of your decoders, offers N, TT and H0 nominal size interfaces, connection options for wide gauge decoders, long life motor, SUSI interface, high quality loudspeaker and LEDs. With the Piko SmartProgrammer and Piko SmartTester, complete Piko locomotive projects featuring loving detail and expertise in all aspects of the railway can now be easily downloaded and edited. The Piko SmartTester only works in conjunction with the Piko SmartProgrammer. Quick and easy testing of locomotive functions and decoder settings. Best suited to the PIKO SmartProgrammer. Direct feedback via speakers, engine, LEDs (outputs A1 to A8) and front/rear lights. Connection to PIKO SmartProgrammer via a side plug connection. Can only be used with PIKO SmartProgrammer.