Nitecore Bundle HC30 1000 Lumen CREE XM-L2 LED Headlamp with 4X Panasonic CR123A Batteries and LightJunction Battery case Super bright maximum 1000 Lumens with 5 brightness levels and 3 flashing modes, one button switch accesses all modes easily with one hand Ultra long max runtime of 330 hours on ultra-low using 1x 18650 battery, 1 hour on high, Compatible with 1x 18650 or 2x CR123A batteries Precision Digital Optics Technology provides extreme reflector performance, 162 meter 100 degree wide beam distance with 6,600 cd intensity Sturdy HAIII military-grade hard anodized aerospace grade aluminum alloy construction is waterproof and impact resistant to 1.5 meters Bundle includes 4x Panasonic CR123A batteries and LightJunction battery case