LEDs in flashlights?

From: DaveC (me_at_privacy.net)
Date: 07/17/04 

Date: Sat, 17 Jul 2004 08:17:11 -0700

Such as this one:

http://www.brightguy.com/detail.html?cart=1090077700192795&sku=OPA3W

how are the LEDs configured? Are they paralleled? Each with a series
resistor? Regulator?

In this application, the source is 2.4-3.0 volts, depending on type of cell.
Any idea? 

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