To celebrate their 40th Anniversary, Japanese manufacturer Sanwa introduce a special edition of the M12 top-of-the-foodchain radio system. Coming in a special piano lacquer design, with an engraved serial number plate and new offset steering wheel, the radio highly differs from the standard M12. It is understood that the set will include a total of three receivers including a RX-471, RX-472 and a RX-471 Dual-ID-Ver. Also included is a transmitter battery pack and a suitable charger.