Nitecore HA11 UHE Headlamp Features: Max output of 240 lumens Utilizes a UHE LED with ultra high luminous efficiency Red light illumination designed for preserving night vision Utilizes a unibody optical lens system with various facets Powered by 1 x alkaline AA battery (Included) with a max runtime of 75 hours Compatible with a wide voltage range and compatible with various AA batteries such as alkaline (Included), Ni-MH (Not Included), lithium iron (Not Included) and Li-ion batteries (Not Included) Designed with two buttons different in shape and touch, offering easy one-handed operation 3 brightness levels, 2 light sources, and 3 special modes available Made from special PC plastic with impact and low temperature resistance Compact and lightweight Impact resistant to 1 meter Waterproof and dustproof rating in accordance with IP66 Dimensions: 61.5mm x 36.2mm x 28.9mm Weight: 38g (with bracket and headband, excluding battery) Package Includes: 1 x Nitecore HA11 UHE Headlamp 1 x Headband 1 x Clip 1 x Alkaline AA Battery (Disposable – NOT RECHARGEABLE) 1 x User Manual 1 x Warranty Card Warranty: 5 Years Warranty on the light from date of purchase against manufacturing defect. Accessories (such as pocket clip, lanyards, pouch, case, charging cable, etc),...