Serfas Thunderbolt 2.0 Bike Tail Light

Product Description

71383503360The Serfas True Series light line was developed to be the best on the market. Given the True stamp of approval, these tail lights will meet & exceed their expected lumen output while offering you all the features you’ve come to enjoy from Serfas lighting. Please welcome the new line of True Series lights & be prepared to turn night into day. Features:

Super Bright (50 Lumens) *Daytime Flash
Auto Safe Mode
Last Mode Memory
USB Remote Switch Compatible
Aero Post Compatible
USB Rechargeable
Specs:
Solid Modes: High (25 Lumens): 1.5 hrs, Medium (15 Lumens): 2.25 hrs, Low (10 Lumens): 5.5 hrs
Flash Modes: *Daytime Flash (50 Lumens): 19.5 hrs, High Flash Slow (25 Lumens): 9.5 hrs, High Flash Fast (25 Lumens): 5 hrs, Low Flash (10 Lumens): 13 hrs, Auto Safe Mode Extends Runtime an Additional 45 mins
Weight: 40 Grams with Bracket
Battery: 500 mAh Lithium Polymer