Zebralight SC52W Cree XM-L2 Neutral White LED Flashlight
LED: Cree XM-L2 Neutral White (Norminal CCT 4400K)User Selectable Levels: 3 main levels (High, Medium and Low). Each main level can be programmed to one of its two sub-levels. The second sub-level of the each main levels can be further programmed to different brightness levels or strobes.Light OutputHigh:         H1 280 Lm (0.9 hrs)   or    H2  172 Lm (1.7 hrs) / 108 Lm (3 hrs) / 4Hz StrobeMedium:    M1 50 Lm (7.5 hrs)    or    M2   25 Lm (12 hrs) / 12 Lm (27 hrs)Low:         L1   2.7 Lm (4 days)   or    L2   0.34 Lm (3 weeks) / 0.06 Lm (2 months) / 0.01 Lm (3 months)Light output are ANSI out the front values. Runtimes tested (and parasitic drain estimated) with Sanyo 2000mAh Eneloop AA batteries. Light output with 14500 batteries are the same except that the H1 is 500Lm for the first minute and then steps down to 280Lm.Operating Voltage Range: 0.7V - 4.2VBattery: One 1.5V AA (NiMH, lithium or alkaline) or 3.7V 14500 Li-ion battery. Batteries are not included in the package.Parasitic Drain: Negligible (equivalent to 16 years, much less than the self discharging of a battery)Beam Type80 degree spill12 degree hot spotDimensionsDiameter: 0.93 inch (23.6 mm)Length:    3.08 inch (78.2 mm)Weight1.4 oz (40 gram) FeaturesAutomatic stepping down when battery (AA and 14500) capacity is lowBuiltin over-discharging protection for 14500 batteries (2.8V cutoff)Electronic soft-touch switch, with a 200,000 cycle operating lifeSmart user interface provides fast and easy access to all brightness levelsPrecision machined unibody casing from premium grade Alcoa aluminum bar stocksProprietary heat sinking design bonds the LED board directly to the unibody aluminum casingDurable natural hard anodized finish (Type III Class I)Tempered optical grade glassPreinstalled bezel down pocket clipOrange peel textured reflectorAnti-roll and tail-standing capableWaterproof to IPX7 (2 meters, 30 minutes)