Coming up with ways to make you safer on the road, when using Serfas lights, is a top priority. NEW for 2016, our "BLAST" Audible Warning System emits a loud 85 Decibel signal when your light battery gets under 10 minute runtime in that specific mode.
Blast" Audible Warning System Alerts Rider of Low Battery. NEW Aero-Bracket Fits Almost Any Post or Applicaton on a Bike. Amber Secondary LED Breaks up a Sea of Red in Traffic. 70 Micro LED's. Solids Modes: High Red(85 Lumens): 1 hr, Medium Red(50 Lumens): 2 hrs, & Low Red (25 Lumens): 4 hrs. Flash Modes: Pulse Red/Amber (150/70 Lumens): 1.25 hrs, Alt Red/Amber (70/35 Lumens): 2 hrs, High Flash Red (150 Lumens): 8 hrs, Low Flash Red (60 Lumens): 10 hrs, High Flash Amber (70 Lumens): 10.5 hrs. Weight: 55 Grams without Bracket. Battery: USB Rechargeable Li-Polymer.