Tiny but tenacious the stix sport tail light packs a 14 lumen punch that can be seen from multiple directions its wide angle light and six modesmdashranging from steady to flash modesmdashmake you highly visible to drivers which will increase both your safety and peace of mind while riding the tail light runs for up to 18 hours depending on mode choice and is charged easily and conveniently via usb specialized stix sport tail light features 7 to 14 lumens output 28 to