Fenix HL20 CREE XP-E R2 AA Headlamp Tactical 3") longer than the CR123

3") longer than the CR123 battery compartment

The blade has a non-reflective

Size : L 120mm x D 25mm

50 hours max on low

4mm(Diameter) x 34mm(Head)

Fenix HL20 CREE XP-E R2 AA Headlamp Tactical 3") longer than the CR123The HL20 from Fenix takes a single AA battery and gives you 105 lumens in return. Specifications Cree XP E LED (R2) with lifespan of 50,000 hours Three levels of brightness, one flashing mode Lighting mode: 4 lumens (56 hrs) 48 lumens (5. 5hrs) 105 lumens (1. 8 hrs) Flashing mode: SOS (15 hrs) Max beam length: 70 meters Electronic switch Digitally regulated output maintains constant brightness Output automatic memory function Uses one 1. 5V AA (