Lighting question about the Peter Witt trolley

[jpstrainyard]

JP of Acton MA USA writes:

To 3rail, Mr. Bachmann, Jack Lynch:

Do the Peter Witt trolleys have operational lights (Interior and directional exterior head/tail lights) ?

[3rail]

JP,

Yes they have directional lighting and interior ceiling lighting.

Regards,

3rail

[DominicMazoch]

Is the PW trolleys the beginning of a WBB + line with move details and/or features?