The Serfas® Apollo series is a super compact and surprisingly bright rechargeable waterproof LED light that is quick  and easy to mount. Lots of light in a tiny package, plus it fits in your pocket!

Features:

• USB Rechargeable
• Strap Fits Bars 20 – 40mm
• Waterproof Construction
• Micro USB Charging Cable Included
• 240° Illumination Visibility

Specs:

• Modes:
  • High: 3 hrs
  • Medium: 6 hrs
  • Slow Flash: 50 hrs
  • Quick Flash: 40 hrs

• Weight: 29 Grams w/ Bracket
• Runtime: Up To 50 hrs On Slow Flash
• Battery: Lithium Polymer