
Part
Sensor, Light, 4.5V
- Reference
- upn0178
- BrickLink® #
- x1161cx1
Sensor, Light, 4.5V (part upn0178) is a LEGO element. CollectORbuild's catalog records it in 5 sets, including Optosensor and Optosensors (4.5V) and Discs.

Sensor, Light, 4.5V (part upn0178) is a LEGO element. CollectORbuild's catalog records it in 5 sets, including Optosensor and Optosensors (4.5V) and Discs.