Serfas Thunder Blast AWS Headlight
The Serfas Thunder Blast AWS Headlight has all the color and mounting ease of their original Thunderbolt, plus the Blast audible warning system (AWS) alerts you when the battery reaches 10 minutes of runtime remaining. At that point, press the power button to cycle to the next mode (for example from 100 lumens to 20 lumens to extend battery life. The Blast feature will again alert you when you reach 10 minutes remaining in that mode.
Long straps and a new body design will fit almost any post, handlebar, or mounting application on a bike including aero shapes.
- USB rechargeable
- LED strip
- Solid modes: High (100 lumens) 2 hours, Low (20 lumens) 7.75 hours
- Flash modes: High (100 lumens) 3.5 hours, Low (20 lumens) 14.5 hours
- Strap mounting system allows for endless mounting possibilities
- Blast audible warning system (AWS) alerts when the battery reaches 10 minutes of runtime remaining
|Lumens||100 lumens (high solid, high flash); 20 lumens (low solid, low flash)|
|Run Time||2 hours (high solid); 7.75 hours (low solid); 3.5 hours (high flash); 14.5 hours (low flash)|
|Weight||48 g without bracket|
|Manufacturer's Part #||USLA-7|