Product DescriptionThe Serfas USL-TL60 Super Bright USB Rechargeable 60 LumenTail Light allows youTo be visible for upTo one mile. Water resistant. Comes with batteries, bracket mount, USB cable.Tool-free installation. Backpack and rack mountable UpTo 10 hours burnTime Hi-steady, Lo-steady, and 2 flash modes Complete light removes in 1 second
Mtbr Bike Lights Shootout - over 50 bike lights reviewed, photographed and measured here.