Nitecore NU31 Headlamp chill blue Features: Triple output lightweight USB-C rechargeable headlamp A primary white LED with a max output of 550 lumens Equipped with a high CRI auxiliary white light (CRI>90) Red light illumination designed for preserving the night vision Utilizes a unibody optical lens system with various facets for reflecting a uniform and soft light Built-in 1,800mAh Li-ion battery Built-in intelligent Li-ion battery charging circuit with a USB-C charging port (5V 1A) Designed with two buttons different in shape and touch, offering easy one-handed operation 5 brightness levels, 3 light sources and 3 special modes available Designed with 4 power indicators to indicate the remaining battery power Made from durable PC material with an aluminum alloy front housing Compact and lightweight Impact resistant to 1 meter Waterproof and dustproof rating in accordance with IP66 Dimensions: Length 62.3 mm, Width 46 mm, Height 35.6 mm Weight: 95.5g Package Includes: 1 x Nitecore NU31 Headlamp 1 x Headband 1 x USB-C Charging Cable 1 x User Manual 1 x Warranty Card Warranty: 2 Year Warranty on the light from date of purchase against manufacturing defect. Accessories (such as pocket clip, lanyards, holsters, etc), normal wear and tear, drop & water...