Description The CatEye ViZ 150 is a rear light with a punchy 150 lumen output that can be mounted vertically or horizontally on your seatpost. A great & reliable light with a long life that fits basically any bike – what more could you ask for? Light modes & runtimes The ViZ 150 has 4 light mode options for riding at night or during the day, or with the bunch at either time! Constant Mode: 5hr @ 20 lumensFlashing Mode: 70hr @ 15 lumensGroup Ride: 33hr @ 5 lumensDaytime Hyperflash: 15hr @ 150 lumens CatEye ViZ 150 Specs 150 lumen rear light USB-C charge port (charge cable not supplied) Superior rear & side visibility Automatic battery saving & low battery indicator Light mode selection memory Snap fitting bracket with rubber strap Fits aero seat posts up to 130mm OD Weight: 27 Charging time: approx. 3hrs 2 year warranty