Dereelight builds what is known as Surefire P60 clones. Most of their parts are interchangeable with the P60 and other clones.
List of flashlight bodies:
http://www.candlepowerforums.com/vb/showthread.php?186661-*-P60-Flashlight-List-host
List of flashlight modules:
http://www.candlepowerforums.com/vb/showthread.php?217252-P60-sized-led-drop-ins-(part-3)
You can put together Krillions of combinations.
Most people stick with one manufacturer to try keep things simpler.
So back to Dereelight.
Body types:
CL1H V4 - The original clone of the P60 with the body bored out to take 18650 and a LED module. (The original P60 can only take 2*CR123A and is incandescent.)
CL1H V4-NOHS - NOHS = no hotspot, a floody version.
DBS V3 - A big head version with a bigger reflector for more throw.
C2H - small CR123A version.
Javelin - 2AA version.
DA3 - AAA version. This is a keychain light and does not lego with the others.
CL1H-T/DBS-T - Dual mode tactical version. Head tight soft press gives you momentary. Head loose soft press changes brightness levels.
Optics:
Aspheric - The aspheric lens does not have spill so all the light goes down range. This provides the longest throw but you can not see a gopher hole or pothole in front of you and you twist your ankle if you are not careful.
NOHS - This is an optic that projects a very even circle of light. Useful for close in work.
Smooth reflector - This provides spot and spill. A spot for distance and spill for close in.
OP reflector - Smooth reflector tends to have artifacts or ringy beams. An OP reflector smoothes them out.
Modules and Pills:
A module consists of a reflector/optic/lens and a pill.
A pill consists of the electronics, heatsink, and LED.
Pills:
Dereelight identify the electronics as follows:
1/3 - S/M - (nothing)/M/T.
1 or 3 is the number of brightness levels.
-
S - single mode.
M - multiple modes depending on head tight/head loose position. See CL1H-T/DBS-T.
-
(nothing) - 1*18650 battery.
M - 2*CR123A/2*RCR123A/2*18650 (with battery tube extender). This is a pure buck circuit and needs 4+V to operate. A 18650 will work when freshly charged 4.2V to 4V but dims significantly between 3.9V to 3.6V. Dereelight does not recommend 1*18650 with these pills.
T - Tactical. See CL1H-T/DBS-T.
LEDs:
XP-E - Has the smallest die size, provides the tightest beam. OTOH it is the dimmest of the LEDs Dereelight uses. 0.9 mm * 0.9 mm.
XP-G - Can be driven harder than the XP-E to provide more light but is more floody. 1.4 mm * 1.4 mm. Dereelight is driving the XP-E and XP-G with the same drivers so your choose between them for beam types. ~300 lumens.
XM-L - The latest but the big die makes for a floody beam. Especially with other P60 types limited by the 26 mm reflector. Dereelight DBS with the bigger reflector compensates for this. 2 mm * 2 mm. ~700 lumens.
Tints:
Dereelight offers many LEDs with different tints. Cool white, neutral white, warm white. A thread showing the difference between the tints:
http://www.candlepowerforums.com/vb...arm-Neutral-Cool-White-BEAMSHOTS-amp-RUNTIMES!