Kryptonite Street F-150 / Avenue R-30 SetSet of Front Light Street F 150 and Rear Light R 30 Lumen output at high steady: 150 Total run time at high steady: F 150 2h, R 30 1h30 Robust safety features including daytime and nighttime 6 pulse modes Side illumination ports allow cyclists to be seen when riding across traffic lanes Fully USB rechargeable Memory function allows light to turn on at the last mode that was used Rear light includes 5 modes