Märklin H0 DB Standard measuring vehicle DB type 313 measuring car, pantograph, inscription "Messwagen Versuchsanstalt Minden", No. 63 80 99-92007-3, Märklin H0 DIGITAL, window LED display for travel time, distance traveled, speed, operating time. N.B. The photo shows slightly different colors for the LED displays. In reality it is working as expected, with the color being exactly the same, deep red, for all four LED displays. Tested and in working condition. Photos are part of the description.