If it's the light I'm thinking of, it says Nichea on the back of the package. I was wondering about this light too.
You're right. It does say Nichia
LED receives exactly one watt with fresh set of alkaline.
It uses 3xAAA through a 3.58 ohm resistor in series with the LED and draws 0.218A (obtained by measuring voltage across the resistor and dividing by resistance, so as not to introduce the resistance of the meter into circuit)
It draws 860mW from the batteries and LED gets 690mW
Beam has a very defined cut off circumference like theatrical light, but does have some spill. The focusing range and quality is excellent and holds the beam clean throughout the entire range, but it has the same problem that always followed Nichia around.
Visibly blue tint and purple fringe along the outer rim of the beam.
The tail switch is reverse-actuated (push in all the way, then release to activate). Easy to operate good feel.