LED: Cree XP-G Neutral White (norminal CCT 4200K)
User Selectable Modes: 3 (High, Medium and Low). Each mode can be configured to one of the two sub-levels.
Light Output (OTF, Panasonic CR123A)
High: H1 189 Lm (1.2 hrs) or H2 77 Lm (4.2 hrs)/ 108 Lm (3 hrs) / 4Hz Strobe
Medium: M1 34 Lm (10 hrs) or M2 10 Lm (28 hrs)
Low: L1 2.1 Lm (4.2 days) or L2 0.1 Lm (43 days)
Light Output (OTF, Sanyo 2000mAH Eneloop)
High: H1 172 Lm (0.9 hrs) or H2 77 Lm (2.6 hrs)/ 108 Lm (1.9 hrs) / 4Hz Strobe
Medium: M1 34 Lm (7 hrs) or M2 10 Lm (23 hrs)
Low: L1 2.1 Lm (3 days) or L2 0.1 Lm (29 days)
All 7 levels are current regulated.
Battery: One CR123A lithium primary or one 1.5V AA (NiMH, lithium or alkaline). Batteries are not included in the package. Unprotected 14500s or 16340s may be used but the performance/runtimes/functions are unknown. Protected 14500s or 16340s may not fit.
Operating Voltage Range: 0.7V - 4.2V
Parasitic Drain: negligible (equivalent to 6 years of battery life)
Beam Type

80 degree spill beam spread
9 degree hot spot
Dimensions
Diameter: 0.94 inch (23.9 mm)
Length: 3.2 inch (81.6 mm)
Weight
1.9 oz (55 gram) without battery
Features
Side click electronic soft-touch switch
Smart user interface provides fast and easy access to all brightness levels
Precision machined casing from premium grade Alcoa aluminum bar stock
Durable natural hard anodized finish (Type III Class I)
Ultra clear lens with anti-reflection coatings on both sides
Orange peel textured reflector
Battery power can be locked out by slightly unscrewing the tailcap to prevent unwanted activations or parasitic drain
Waterproof to IPX8 (2 meters, 30 minutes)