Nebo Einstein 500 Lumen Headlamp

• Turbo (500 lumens): 30 second intervals* - 80 meters / 262 feet
• High (150 lumens): 2 hours - 44 meters / 144 feet
• Medium (50 lumens): 15 hours - 25 meters / 82 feet
• Low (5 lumens): 60 hours - 10 meters / 32 feet
• Red (5 lumens): 12 hours - 1 meters / 3 feet

*Turbo mode is designed to give you short bursts of power when you need it most. After 30 seconds, the light will return to the previously used mode to prevent the light from overheating and protect the battery. Turbo mode can be reactivated at any time