Total Control: Control your locomotives in the palm of your hand on a compatible phone or tablet, untethered from a wired controller. Customise your locomotives with images, tinker, tailor & test settings on the fly to perfect your locomotive’s running style using the new HM | DCC app Join the Revolution: Part of the new, innovative HM7000 range and HM | DCC control system. Download FREE sound profiles for a wide range of locomotive classes and enjoy new updates, features, and functionality for no additional cost Tri-Mode: Functions with all NMRA compatible DCC controllers when set to ‘DCC Mode’. Functions with compatible phone or tablets when set to ‘Bluetooth Mode’ (Power must be via a DCC controller or by a ‘flat’ DC supply*). Functions with all DC controllers when set to ‘DC Mode’. *(Ensure instruction manuals are consulted to ensure your new decoder is correctly powered – Failure to do so could result in damage to the decoder). Sound Capable: Decoder pack Includes a high-fidelity sugar-cube speaker + various enclosures with easy to fit plug, allowing for high-quality sound in locomotives that previously did not have a speaker installed. (Installation required). Decoders will also function with locomotives that already have a speaker installed and will enhance the locomotive sound experience! Next18-Pin Connection System: The perfect decoder to retrofit into DCC Ready locomotives that feature an Next18-Pin connector. Please ensure that your locomotive fits the size [28.5mm (l) x 8.5mm (w) x 4.5mm] of the decoder prior to any purchase. Advice on correct fitting is available through Hornby Customer Care if you are unsure., Manufacturer: Hornby Hobbies LTD