The EINSTEIN 1500 FLEX by NEBO is a low-profile, compact, 1500 lumen, USB-C rechargeable headlamp with 5 light modes. The included rechargeable battery will power the light for up to 18 hours of use.

• Turbo (1,500 lumens): 30 second intervals* - 64 meters / 209 feet
• High (750 lumens): 2 hours - 55 meters / 180 feet
• Medium (250 lumens): 6 hours - 25 meters / 82 feet
• Low (10 lumens): 18 hours - 8 meters / 26 feet
• Red (5 lumens): 12 hours - 1 meter / 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.