"Mainline Dwarf Signal" with lights change from green to red when trains
move through its block.
FEATURES:
- Die-cast metal construction
- Lights change from green to red when trains move through its block
- Lights automatically reset to green when block clears
- 153C Contactor included
- Also works with insulated track section (sold separately)
PRODUCT SPECIFICATIONS
- Gauge: Traditional O Gauge
- Brand: Lionel
- Dimensions: 3/4? x 3/4? x 1 3/4?