upn0178Sensor, Light, 4.5VPart numberupn0178CategoryElectronicsMaterialPlasticAppears in5 setsThis part on Rebrickable ↗ (opens an external website)Available colours 1Black#05131D5 sets – Sets in this colour: BlackNumbers at other sourcesSourceNumberRebrickableupn0178Sets containing this partColourAll coloursBlackApply5 results9865-1Optosensor19922 partsEducational and Dacta1× in this set9700-1Technic Control Center1987487 partsTechnic1× in this set1090-1TECHNIC Control I1986397 partsTechnic2× in this set1092-1TECHNIC Control II1986467 partsTechnic2× in this set1343-1Optosensors (4.5V) and Discs19864 partsTechnic2× in this set