Cree XHP50.3 HI Neutral White LED
Nominal CCT: 4500K
CRI: 90+
Tint deviation: 3-step

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.

Light Output (runtimes)
High: H1 1700 Lm (PID, approx. 2.6 hours) or H2 965 Lm (PID, approx. 3 hours)/521 Lm (PID, approx. 3.2 hours)/280 Lm (5.7 hours)
Medium: M1 128 Lm (13 hours) or M2 56 Lm (28 hours)/25 Lm (2.5 days)/11 Lm (5.6 days)
Low: L1 3.4 Lm (15 days) or L2 0.8 Lm (1.6 month)/0.3 Lm (3 months)/0.1 Lm (4.4 months)
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 (flat top unprotected, 65.0-65.2 mm 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
9 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
2.26 oz (64 gram) without battery

Waterproof to IPX8 (2 meters, 30 minutes)