The industry's most technologically advanced safety lights;All lights are robs compliant and all testing is done in house;More efficient leds & high quality lenses to increase brightness & Clarity;Produces 90 lumens of pure light;USB rechargeable light, that fully charges in 3.5 hours

• Serfas Thunderbolt Head Light USL-6 - USB Rechargable

Serfas Thunderbolt Head Light USL-6 - USB RechargableSerfas