Zebralight SC600 Mk II L2 18650 XM-L2 Flashlight Cool White
Main Features and Specifications -LED: LED: Cree XM-L2 Cool White (6300K). User Selectable Levels: 3 main level (High, Medium and Low). Each main level can be configured to one of its two sub-levels. The second sub-level can be further programmed to different brightness levels.    Light Output High:         H1 1100 Lm (PID, approx 2 hr)   or    H2  670 Lm (PID, approx 2.5 hrs) / 356 Lm (3.9 hrs) / 162 Lm (11 hrs),    Medium:    M1 70 Lm (30 hrs)    or    M2   32 Lm (66 hrs) / 12 Lm (172 hrs),    Low:         L1   3.8 Lm (16 days)   or    L2   0.43 Lm (2.5 months) / 0.06 Lm (4.6 months) / 0.01 Lm (5.5 months),    Beacon Strobe Mode: 0.2Hz Beacon at Low / 0.2Hz Beacon at H1 / 4Hz Strobe at H1 / 19Hz Strobe at H1. Light output are ANSI out the front (OTF) values. Runtimes tested (and parasitic drain estimated) using ZL631 batteries. Runtimes of the two PID controlled levels (1100Lm and 670Lm) vary greatly with ambient temperature and air circulation. Operating Voltage Range: 2.7V - 4.2V.    Battery: One 18650 size (up to 68mm long) 3.6/3.7V Li-ion rechargeable battery. Batteries are not included in the package. Parasitic Drain: Negligible (much less than the self discharging of batteries).    Beam Type:        80 degree spill,        10 degree hot spot.    Dimensions:        Head Diameter: 30 mm,        Body Diameter: 25mm,        Length: 101.6 mm.    Features:        Battery capacity indicator (LED flashes 1-4 times, 4 short clicks to start),        Lanyard ring,        Automatically stepping down from High to Medium, and from Medium to Low when battery capacity is low,        Built-in over-discharging protection with 2.7V cutoff,        Electronic soft-touch switch,        Durable natural hard anodized finish (Type III Class I),        Ultra clear lens with anti-reflection coatings on both sides,        Orange peel textured reflector,        Battery reverse polarity protection,        Pocket clip,    Waterproof to IPX7 (2 meters, 30 minutes).