Introducing the HM6010 your new accessory controller. Paired with the new HM | DC app control up to 4 accessories per HM6010. Control up to 12 accessories per phone or tablet with more HM6010 units (max of 3 total). HM | DC app control brings a wealth of new features and functions to enjoy; control points motors signal lighting street lighting motor-driven accessories turntables and conveyor belts with ease. Also build your dream layout with the Track Builder included with the free HM | DC app. Please note: Each HM6010 unit requires a transformer (sold separately) and a compatible phone or tablet is required.