Gaugemaster Urban Scenic Sounds Module SCENIC SOUNDS MODULES BRING LIFE TO ANY LAYOUT! Sound can really bring a layout to life and these new modules make it so easy; just connect two wires to the nearest power source, hide the module, and turn it on. FEATURES: Compact sound module with built-in loudspeaker Real natural sounds specially recorded for these modules Easy connections - just two screw terminals for power supply Power from 8-16v smooth DC for natural random sounds Or power from DCC for controlling sounds by DCC or random Fits inside a model or under the baseboard Built-in adjustable volume control Joint British development between Gaugemaster and Train-Tech WHEN POWERED BY DC: Modules play an appropriate background sound with individual sounds played in randomly. WHEN POWERED BY DCC: Modules can play randomly as above, or individual sounds can be played on command by DCC; e.g.Point throw played as a point changes, signal rodding etc. SOUNDS ON THIS MODULE INCLUDE: Roadworks Aeroplane flying over Slow moving traffic General city noise Other Sounds are available to create a nice noisy railway or scenic diorama.