ZebraLight H31w XP-G Neutral White CR123 Headlamp Automatic Low level outputs are perfect

Low level outputs are perfect for preserving night vision including astronomical map and data readings

53" / 63 x 13

210T-PU coated 500 waterproof material

Two 18650 or 18500 batteries will gives you 700 lumens

Ergonomic handle

ZebraLight H31w XP-G Neutral White CR123 Headlamp Automatic Low level outputs are perfectMain Features and Specifications LED: Cree XP G Neutral White (color temperature 4200 K) User Selectable Modes: 3 (High, Medium and Low). Each mode can be configured to one of the two sub levels. Light Output High: H1 189 Lm (0. 9 hrs) or H2 103 Lm (2 hrs) 4Hz Strobe Medium: M1 37 Lm (12 hrs) or M2 21 Lm (23 hrs) Low: L1 4. 3 Lm (3. 7 days) or L2 0. 43 Lm (21 days) Light output are out the front (OTF) values. Runtime tests are done using Panasonic