Nitecore Headlamp NC. 11" x 1.56" x 1.96". (8) NiteLab UHE LEDs. Modes: White-Turbo (1700 lumens); High (1000 lumens 8h runtime); Mid (300 lumens 17h runtime); Low (100 lumens 34h runtime); Aux White-Flood low (25 lumens 55h runtime); Ultralow (8 lumens 86h runtime); Aux Red-High 10 lumens 50h runtime); Low (5 lumens 84h runtime); Slow flashing (10 lumens). 172m beam distance. Quick release bracket. Primary white light and auxiliary red light. Optical lens system. USB-C charging port. PC material with aluminum alloy front housing. Rechargeable. Water resistant. Impact resistant. SOS strobe. Requires (1) 18650 battery (included). Boxed with hanging tab. Package Contents: Nitecore NU45 Headlamp