Serfas Thunderbolt 2.0 Tail Light 25/50 Lumen

Serfas Thunderbolt 20 Taillight

The Serfas Thunderbolt 20 Taillight has solid and flash modes to help you stay visible day or night The strip of 30 high-powered red micro LEDs are housed in an attractive CNC aluminum heat sink light body

Features

• USB rechargeable
• Strip of 30 high powered red micro LEDs
• Three solid modes High 25 lumens/15 hours Medium 15 lumens/225 hours Low 10 lumens/55 hours
• Four flash modes Daytime Flash 50 lumens/195 hours High Flash Slow 25 lumens/95 hours High Flash Fast 25 lumens/5 hours Low Flash 10 lumens/13 hours
• Auto safe mode extends runtime an additional 45 minutes
• Water resistance rating of IPX4
• Charge indicator light
• Battery level light

Contents

• Thunderbolt 20 taillight
• Aero post bracket
• Small o-ring
• Medium o-ring
• USB cable
• Manual