The Evo NightBright 100 runs up to 3-1/2 hours on the brightest 100 lumen flash setting and an incredible 35 hours on low which is a 25 lumen output.

25 lumens is about the brightness of most bicycle flashing alkaline battery tail lights.

The light features both solid and flashing modes and fully charges in under 4 hours.

Includes USB charging cord and seatpost mount.

Backed by Evo's two year in-store (immediate replacement) warranty.

Specifications:

• Powerful COB 50 chip LED
  
• Micro-USB charging cable included
  
• Weather-tough water resistant design
  
• Flashing low battery indicator
  
• Dual orientation universal rubber bracket
  
• Press power button once to select brightness
  
• Press power button twice to change between flashing modes