The Serfas ESC-605 E-Lume Combo Bike Light set is a great bike light combo set that will allow you to ride in the early morning hours or the darker night-time hours.  The Serfas ESC-605 E-Lume Combo is comprised of the USL-605 in the front and the UTL-30 in the rear.  For a great value, look no further than the Serfas ESC-605 E-Lume Combo Bike Light set.

USL-605 E-Lume 605:

Features:

• Daytime Flash Mode
• Up To 80 Hrs Runtime
• Extruded Aluminum Body
• Integrated USB Rechargeable Li-Ion Battery
• Backlit Button Indicates Charge Status and Low Battery
• Handlebar Bracket

• Solid Mode:
  • Overdrive 605 Lumens - 1.75 hrs
  • High 400 Lumens - 2.75 hrs
  • Medium 200 Lumens - 4 hrs
  • Low 100 Lumens - 8 hrs
• Flash Mode:
  • Daytime 605 Lumens - 80 hrs
  • Low 100 Lumens - 25 hrs

• Size: 103.7mm L x 31mm W x 22.6mm H (4.1" L x 1.22" W x 0.90" H)
• Weight : 162 Grams w/ Bracket
• Battery: 1-Cell Li-Ion
• Charge Time: 4 hrs To Full At 700mA Using USB Wall Charger
• Color: Black

UTL-30 Cosmo 30:

• High Visibility Lens
• IPX6 Water Resistance
• Charges To Full In 2 Hours From Empty
• Last Mode Memory

• Solid Mode:
  • High 30 Lumens - 2 hrs
  • Low 15 Lumens - 4 hrs
• Flash Mode:
  • Daytime Flash 30 Lumens - 5.25 hrs
  • High Flash 30 Lumens - 8 hrs
  • Medium Flash 15 Lumens - 10 hrs
  • Low Flash 7 Lumens - 13 hrs
• Weight: 60 Grams w/ Bracket
• Battery: Lithium Polymer