Reference Gauge = O gauge. Complete with wires and LED and can be lighted.
Complete your Model Train Scene with 8 LED Street Wall Lights in O Gauge Scale
Enhance Your Model Train Layout with 5 LED Flood Lights for OO Gauge Scale
Light up Your Model Train Landscape with 5 LED Dwarf Signals 20mm OO HO Gauge
8 O Gauge LED Street Wall Light Fixed Lamp Posts for Your Model Train Layout
Hachette Your Model Railway Village Issues 1-20 Complete Unopened
KALMBACH WIRING YOUR MODEL RAILROAD BOOK train ho n gauge model DC DCC KAL12491