LED: Cree XHP35 Cool White (Nominal CCT 5700K) 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 eachmain levels can be further programmed to different brightness levels. Light Output (runtimes)
Lm (5.1 months)/0.01 Lm (7.1months) Beacon Strobe Mode: 0.2Hz Beacon at Low / 0.2Hz Beacon at H1 / 4Hz Strobe at H1 / 19Hz Strobe at H1 Operating Voltage Range: 2.7V - 6.0V Battery: One 18650 size (i.e. 65mm long) 3.6-4.35V li-ion rechargeable. Batteries are not included in the package. Parasitic Drain: Negligible (much less than the self discharging of a battery) Beam Type 80 degree spill 10 degree hot spot Dimensions Head Diameter: 1.2 inch (30 mm) Body Diameter: 0.98 inch (25 mm) Length: 3.8 inch (96 mm) Weight 2.35 oz (66 gram) without battery