Zebralight H53c AA Headlamp Neutral White High CRI

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About Zebralight H53c AA Headlamp Neutral White High CRI

Cree XP-L2 EasyWhite LED - Nominal CCT 4000K, Typical CRI: 93-95, Tint deviation: 2-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 285 Lm (0.9 hr) or H2 238 Lm (1.6 hr) / 171 Lm (2.3 hrs) / 106 Lm (4.2 hrs), Medium: M1 56 Lm (8.5 hrs) or M2 26 Lm (21 hrs) / 10.3 Lm (41 hrs) / 3.5 Lm (4.5 days), Low: L1 1.0 Lm (13 days) or L2 0.26 Lm (1.1 month) / 0.06 Lm (2.2 months) / 0.01 Lm (3.3 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 Panasonic Eneloop Pro AA batteries. Remaining battery power, about 10-20%, after step-down are not counted towards the runtimes.Operating Voltage Range: 0.7V - 2.0V. Batteries are not included in the box. Parasitic Drain: Negligible (much less than the self discharging of a battery). Beam Type: 80 degree spill, 12 degree hot spot. Dimensions - Head Diameter: 0.86 inch (21.8 mm) Length: 2.9 inch (75 mm). Weight - 1.1 oz (31 gram), 2.0 oz (56 gram) with an Eneloop AA battery, 2.8 oz (79 gram) with an Eneloop AA battery and headband. Battery capacity indicator (LED flashes 1-4 times, 4 short clicks to start). All levels are current regulated. Automatic stepping down from High to Medium, and from Medium to Low when battery capacity is low. Durable electronic soft-touch switch. Sealed and potted LED driver circuitry. Battery reverse polarity protection. Tempered optical grade glass. Battery power can be disconnected by slightly unscrewing the tailcap to prevent unwanted activations or parasitic drain.