Light bulb units

Usage examples of lumens.

These were forbidden by Darkovan statutes, and the only contraband in the bags was a tiny box of lumens, little light-emitting dots that could be applied to any surface.

Herm was fond of reading in bed, and the lumens allowed him to do so without disturbing his wife.

He assembled a few other things he thought he needed—a knife, a firestone, a second shirt, and quite against half a dozen Federation regulations, the lumens he had smuggled in.

So the photomorph puts out an impressive number of lumens and overwhelms the prey's photosensors.