LIONEL # 148 DWARF SIGNAL LIGHT 6-12883
- Lights change from green to red when trains move through its block
- Automatically resets to green when train clears its block
- Please Note: Lionel labelled the box incorrectly. There is NOT a 153C included. They have a built in relay for activation.
- Gauge: Traditional O Gauge
- Dimensions: 1 3/4" x 1 3/4" x 2"