Hornby R7322 HM7000-21TXS Bluetooth® & DCC Sound Decoder (21-pin)

** An R7377 Power Bank can be purchased separately and added to this decoder. We recommend for ease you do this during the first install. The Power Bank will keep the loco operating during short power outages when running over dirty track or complex points - keeping the sounds operating and the loco moving. ** Box Contents: 1 Decoder, 1 Sugar-cube Speaker, 1 set of assorted speaker enclosures.   Not included: Controller - download the HM7000 free app from your App Store. R7377 Power Bank (Available separately) Locomotive