NITECORE NU21 360 Lumen Ultralight Rechargeable HeadlampMax output of 360 lumens with 63 yard throw Dual button interface for easy mode switching Red light output for preserving night vision Lockout mode to avoid accidental activation Designed for the Outdoors The NU21 lightweight rechargeable headlamp is the perfect companion for runners and outdoorsmen alike. Its unibody optical lens system is specifically designed for reflecting a uniform and soft light that can emit a max brightness of 360 lumens that