Cateye Rapid X2 Kinetic USB Rechargeable Rear Light

CATEYE RAPID X2 KINETIC USB RECHARGEABLE REAR LIGHT   
Safety you’ll never notice, but those around you will
Ultra bright strip COB LED technology – maximum 50 Lumen output
USB Li-Polymer rechargeable battery
Supersonically welded for weather resistance
Versatile rubber band mounting system (12-32mm) for seatposts and seatstays
Kinetic mode
Battery indicator
Battery Auto Save, converts to flashing mode so you’re never left in the dark
Recharge time: 2 hrs
Mode: Output, Runtime(when not using Kinetic mode)
Constant: 10Lm, 5 hrs
Rapid: 15Lm, 16 hrs
Flashing: 15Lm, 30 hrs