H504c AA Neutral White High CRI Flood Headlamp

Output & Runtime
Three user-selectable main levels, each programmable to two sub-levels. Second sub-level further programmable to additional brightness settings.
High: H1 265 lm (1.0 hr) or H2 220 lm (1.6 hr) / 160 lm (2.3 hr) / 100 lm (4.1 hr)
Medium: M1 50 lm (7.8 hr) or M2 15 lm / 7.5 lm / 2.4 lm
Low: L1 0.8 lm or L2 0.2 lm / 0.06 lm / 0.01 lm
Beacon/Strobe: 0.2 Hz at Low, 0.2 Hz at H1, 4 Hz at H1, 19 Hz at H1
Output values are ANSI out-the-front (OTF). Runtimes tested with Panasonic Eneloop Pro AA. Remaining 10–20% battery after step-down not counted toward runtime.

Battery
One AA (NiMH, lithium, or alkaline). Panasonic Eneloop or Eneloop Pro recommended. Not included. Operating voltage: 0.7–2.0 V. Negligible parasitic drain.

Features
All levels current regulated. Automatic step-down from High to Medium and Medium to Low at low battery. Battery capacity indicator (LED flashes 1–4 times, 4 short clicks to activate). Electronic soft-touch switch. Battery reverse polarity protection. Tailcap lockout by partial unscrew. Precision machined unibody aluminum casing with proprietary heat sinking — LED board bonded directly to the body. Type III Class I hard anodized finish. Sealed and potted driver circuitry. Tempered optical-grade glass lens.

Specs
Head diameter: 0.86 in (21.8 mm) | Length: 2.76 in (70.1 mm) | Weight: 1 oz (29 g) / 2 oz (55 g) with Eneloop / 2.8 oz (78 g) with Eneloop and headband | Waterproofing: IPX8 (2 m, 30 min)