That’s brighter than the AiDot Linkind Matter Smart Light Bulb (800 lumens) and equal to the output of the Roku Smart Bulb SE Color ($9.88). The Bright A19 is available on its own for $17.99 ...

But have you ever wondered why highlighters are so bright? It all boils down to a phenomenon called fluorescence, which is the brightness we see emitted by certain objects when they absorb light.