Specification: Max Output: 550 Lumens  LED: Nichia 519a-400K R9080  Battery:10440 Battery (with type-c charging port) Overall Length: 3.35”  Head Diameter: 0.78”  Body Diameter: 0.69”  Tail Diameter: 0.78”  Weight (w/ 10440 Battery): 2.0oz  Weight (w/out Battery): 1.7”oz  Pocket Clip: Stonwash stainless steel (Compatible with Steel...

Comes with a rechargeable 18350 Li-ion battery.   Default is 18350 full light,  you can get an extra 18650 tube for bigger battery and longer runtime.The tube has everything installed.  It's an easy go with the head, quick swapping. Triple Nichia 519a-4000K LED Group1: (Moonlight)-2%-20%-100% ...

Comes with a rechargeable 14500. Nichia 519a R9080 4000K. head dia: 21.5mm/0.85 inch total length: 97.5mm/ 3.84 inch (battery included) weight: 80g/ 2.82 oz  (Timascus)  Group1: (Moonlight)-2%-20%-100%  ( Default) Group2: (ML)-10%-40%-100% Group3: (ML)-2%-10%-50% Group4: (ML)-50%-100%-strobe-SOS Click here for  the programming guide.

Here is what's new with MK3. -- Reverse clicky switch, classic and great clicking feel is back again. -- Thinner tailcap allows more room for finger. -- Ti anodized screws. -- A more fitting cnc clip with the tailcap. Barely a gap, and better...