DMU sound capsuleSounds are not simulated effects but real sounds recorded by us on the Mid-Norfolk and North-Norfolk Railways from several different sets of Class 101 DMU’s, though these would sound good in most vintage DMU’s.Startup - hear the classic engine start up, then a steady tickover while resting until the train moves againFurther movement triggers the distinctive guard ‘buzz-buzz’, then if there is still motion sometimes a quick horn, followed by...The classic rasp of the engine starts speeding up with gradual gear changes & coasting as journey continuesA quick High-Low horn sounds if train travels continuously for a minute, then less often if the train continuesAfter the SFX detects that motion has stopped, the DMU capsule returns to the sound of a gentle tickover. When no motion for around a minute SFX automatically goes to sleep & waits for movement to wake it up.Easy to fit in seconds - no wiring or switches No pickups or wires - works on regular DC & DCCSelf contained capsule - built-in speaker & batteryTiny - smaller than a 50p: 25mm x 20mm x 12mmFit capsule into a loco, tender, wagon, coach....Real recorded sounds from Steam, Diesel, DMU, Wagons & CoachesIncludes facilities for adjusting volume and fitting an external speaker and batteryWARNING No battery included when shipped outside UKWARNING : Button/coin batteries can cause severe injuries or even death when swallowed. Keep batteries out of reach of children. If you suspect a child has swallowed or inserted a button/coin battery, seek medical attention immediately.