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. Lasts up to 28 hours on 60 Lumen Flash. NEW Aero-Bracket Fits Almost Any Post or Applicaton on a Bike. 42 Micro LED's. Solids Modes: High (200 Lumens): 1 hr, Medium (100 Lumens): 2.25 hrs, & Low (60 Lumens): 3.5 hrs. Flash Modes: High Rapid (300 Lumens): 6.25 hrs, High Slow (300 Lumens): 12 hrs, & Low (60 Lumens): 28.5 hrs. Weight: 55 Grams without Bracket. Battery: USB Rechargeable Li-Polymer.