Both outputs can be varied between 0 and 12 volts, so you can dim your lights when you wish. The output is DC, so that could be done. We hope that you understand.
Hornby HM 2000 Twin Controller Full working order Power unit
ONTRACK LU10 TWIN CONTROLLER FOR LIGHTING
1953 NEW YORK CITY TRANSIT SYSTEM INSTRUCTIONS FOR EMPLOYEES WORKING ON TRACKS
Framed Steam Train on Tracks Railway Photograph Print - Railwayana Wall Art
British Rail Blue Peter 60532 A2 4-6-2 Steam Locomotive Model Train On Tracks
H & M Multipack add on slave unit controller.