2 light set helps to improve your see and be-seen visibility on low light rides.

Includes a 11 lumen front headlight (33 foot beam distance) and 2 lumen rear taillight (28 foot beam distance).

Steady and flashing light modes for situation-specific lighting.

Long lasting use: Up to 39 hour run time for steady light mode, 23 hour run time for flashing light mode. (CR2032 batteries included.)

Easy to attach to handlebar and seat post of any bike, no tools necessary.