Serfas Thunderbolt 2.0 Front Light USB rechargeable
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Bulb LED
Lumens 120 lumens
Battery Rechargeable
Runtime 1.5 > 23 hrs
Weight 40g
KEY FEATURES
Feature Highlights
120 Lumens
Daytime Flash Mode
Safe Mode - light drops to lowest blinking or solid mode after stated run time for an extra 45 minutes
Up to 23 Hours Run-Time
Bracket Included
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