UT27 Pro, High CRI Three Color Temperatures Lightweight Trail Running Headlamp First in the industry, Three Color Temperatures & Three CRI Options, All in one Headlamp Uninterrupted Runtime, Fueling You All-Night Trail Running It comes with a 1,500mAh rechargeable li-ion battery pack. Paired with high-efficiency MCT UHE LEDs and an ultra-low power consumption circuit design, it delivers long-lasting illumination for up to 14.5 hours at 100 lumens. 800 Lumens + 168 Meters, Superior Brightness & Long Range Lead Your Way Perfect for quick pathfinding and short search tasks- effortlessly spot distant terrain and trail signs. Born for Trail Running Every Gram Matters One gram lighter. One step ahead conquer trail with ease. Professional Inside and Out Made for rugged, high-strength PC material with excellent resistance to abrasion, impact and low temperatures. Whats in the box: UT27 USB-C to USB-C Charging Cable 2 x NITECORE HLB1500 Diffusing Stuff Sack Clip Specifications: Max Output 800 Lumens Max Beam Distance 168m Max Beam Intensity 7,124cd Max Runtime 14 h 30 min LED NiteLab MCT UHE LEDs Battery HLB1500 Rechargeable Li-ion Battery Pack, 3 AAA Special Modes SLOW FLASHING Beam color 3,000K Warm Light (CRI 97), 4,500K Neutral White Light (CRI 83), 6,500K Cool White Light (CRI 73) Dimensions 56.0mm x 46.6mm x 32.0mm ( 2.20″ x 1.83″ x 1.26″) Weight 74g (2.61 oz) Feature Dual Hybrid Power Source, Multiple Color Temperatures, High CRI Activity Outdoor/Camping, Hiking/Trekking, Trail Running, Night Running