ULTRA BRIGHT 2000LM - With built-in high-quality LEDs, these 9 led headlamps which illuminate up to 150 meters with a 2000 lumen beam of LED light in high mode, can beat other normal battery headlamp without any problem.LONG RUN TIME 24HR - Packed with 6 AAA alkaline batteries, headlights have a runtime of up to 20+ hours (on the high setting).So you will have the reliable power and light you need. The perfect back-up light in case of power outages. Also a nice camping gear!6 VERSATILE MODES - These head lamps provide 6 light modes: main light high/ low/ strobe, wide high, all lights on, and sos(Long press 3 seconds), you'll have optimal lighting for just about any situation.INCREDIBLE VALUE - Fully adjustable head strap for comfortable wearing. The 60Tiltable feature can let you point the light toward the ground in front of you. Very comfortable, leaving your hands free!DURABLE CONSTRUCTION - Withstands 1-meter drop test, a shatterproof lens, and a waterproof IPX5 rated body, weighing only 3.3 oz with batteries, these headlamp flashlights are the ideal head lights for outdoor adventurers.