Nitecore UT27 Ultra Elite Rechargeable Headlamp, 520 Lumens

(2) CREE XP-G3 S3 LEDs. Glow in the dark battery compartment. Dual button interface. Auxiliary red light. Lockout mode. Elastic and breathable head band with silicone sweat diverting strip. 90 degree adjustable tilt angle. Comes with diffusing stuff sack. Modes: Turbo (520 lumens, 103m beam distance); Spotlight: High (400 lumens, 6h runtime); Low (100 lumens, 10h runtime); Floodlight: High (200 lumens, 8h runtime), Low (55 lumens, 13h runtime); Aux Red: Constant On (16 lumens, 6h runtime), Warning Flashing (16 lumens, 60h runtime). Rechargeable. Water resistant. Impact resistant. Requires (1) Lithium battery (included), or (3) AAA batteries (not included).