NIGHTRAY LED HEADLAMP Black Diamond Light up the night with the new NightRay. Its sleek and compact housing holds five SuperBright LEDs with the center LED lensed, allowing it to project a beam of light. You can toggle between the two LED or five LED option. NightRay is Black Diamond's lightest and most compact, full-function headlamp for trail running, evening desert hikers and early morning approaches. * Power Source: 3 AAA (included) * Burn Time: Min: 60 hours/ Max: 200 hours * Maximum Distance: 22 m