Detailed Signals for your O Scale Pike. Add trackside realism to your O Scale layout with these searchlight signals from NJ International. Based on SA type target signals used across the continent. Each fully assembled signal features a metal bodywith an opening cabinet door and realistic signal heads. The signals come with bi-polar/bi-color LEDs that can be connected to a detection system (sold separately). SA Type Target Signal Single Aspect (525-3345). SA Type Target
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