The Titan XP Headlamp features a high power off-center LED for long range producing 112 lumens and 3 separate LED&';s for immediate area use producing 15 lumens. Shock resistant, rugged construction and adjustable stretch head band. Water resistant. Powered by three AAA batteries.Features:High power off-center LED for long range producing 112 lumens;3 LEDS for immediate area use;Shock / water resistant;Adjustable stretch headband;Off-center LED: 90 min, 3 LEDS: 9 hours