Since numbered bezels can be and often are swapped or replaced, those may not remain with the original light.
I think there is a way to get the emitter to blink out the firmware revision, but doubt that may be specific enough to narrow it to the exact emitter version.
short answer:output in lumens and the emitter and tint
Luminus ledThe LED you are mentioning is a Samsung LED, HiCRI, 225 lumens.
Luminus led