NU45 High Output Lightweight 18650 Rechargeable Headlamp, 8-Core UHE LED The multi-core LED setup features 4 UHE LEDs for each unit to deliver high light efficiency while enhancing heat control and reducing energy consumption for prolonged use. 1700 Lumens, 172 Meters Long Range Quickly Illuminates the surrounds and reveals road conditions, ideal for night patrols, search and industrial use. Ultra smooth TrueVision Flood Beam Light Transmission > 94%, the unibody optical lens system with various facets provides bright yet soft lighting for added comfort and reduced glare during prolonged use. Dual Auxiliary Light Red Light: Effectively preserves night vision, ideal for emergencies and safety warnings. High CRI White Light: Reproduces a more realistic depiction of colour, ideal for up-close illumination Built-in 4000mAh 18650 Li-ion Battery Developed in collaboration with the industry partner, NITECORE introduces a 4,000mAh battery with a high energy density 300mW/g, offering approx. a 17.6% increase in capacity over the standard 3,400 mAh Li-ion batteries to ensure long lasting power. 14W Fast Charging 1-Hour Charge for All-Night Use Featuring an intelligent charging circuit with 1C3.0 fast charging, this headlamp achieves a max charging power of 14W that is 40% higher than its competitors. It can charge to 80% in just one hour, with a full charge taking only about 1.5 hours. What's in the box: • NU45 Headlamp • USB-C Charging Cable • Headband • Diffusing Stuff Sack Specifications: Max Output 1,700 Lumens Max Beam Distance 172 Meters Max Beam Intensity 7,426 cd Max Runtime 86 h 0 m / 3.58 d LED 8 x NiteLab UHE LEDs Battery Built-in 4,000mAh 18650 Li-ion Battery Special Modes Location Beacon, SOS, SLOW FLASHING Beam color White Light, Red Light Dimensions 79.0mm x 39.5mm x 49.8mm (3.11" x 1.56" x 1.96") Weight 126 g / 4.44 oz Activity Outdoor/Camping, Hiking/Trekking, Climbing