Powered by two LEDs, the Blackburn Local 15 Rear Bike Light is superbright and will help you stay safe on dark streets. 15 lumens. 3 modes: High: 15 lumens, Steady flash: 15 lumens, Blackburn strobe: 15 lumens. Runtime: High: 48 hr., Steady flash: 95 hr., Blackburn strobe: 108 hr.. Large translucent-lens power button is easy to turn on/off while pedaling or wearing gloves. Built to the ANSI FL-1 light standard, which provides consistent light performance guidelines and measurements. Silicone mount, one size fits all. Includes replaceable AA batteries
