The Light and Motion Vis 180 Micro is a quality 20 Lumen rechargeable tail light with four settings and runtimes of 4 to 20 hours depending on the setting. It can be attached with an included clip or strap mount so you can put it in a variety of locations including seat post, bag, clothing, or rack.
The four settings include a high or low pulse each with about 8 hours of run time. The steady mode has 4 hours of run time and the standard flashing mode has a generous 20 hours of run time. Included in the box are the tail light, Micro USB charging cable, strap mount and clip mount.