Lights stay bright and constant with no flickering. There is no need for any switch because the strip incorporates a small sensor which detects when the train moves and turns the lights on automatically.
Train Tech CL120 Automatic Coach Lighting Multipack Cool White C (2)
Train Tech CL21 Automatic Coach Lighting Cool White/Flashing Tail
Train-Tech AL4 Automatic Lighting Effects Modern 2 Flash Tail Light OO Gauge
Train Tech CL24 Automatic Coach Lighting Cool White/Amber Door
Train Tech CL26 Automatic Coach Lighting Warm White/Flashing Tail
Train Tech CN2 Automatic Coach Lighting Warm White/Standard