Lionel 6-12883 - #148 Dwarf Signal

• Gauge: O Gauge 
• Scale Type: Traditional
• Brand: Lionel
• Power: Electric
• Product Length: 8.19"
• Product Width: 8.19"
• Product Height: 7.68"
• Dimensions: 1 3/4" x 1 3/4" x 2"
• Most Recent Catalog: 2016 Lionel Volume 2 Catalog

Features:

• Lights change from green to red when trains move through its block
• Automatically resets to green when train clears its block
• 153C Contactor included

Overview:

Lights change from green to red when train occupies its block