CatEye Rapid X Blinking LED Bicycle Headlight # TL-LD700-F   --or--   Tail Light # TL-LD700R : USB Rechargeable.   NEW-in-Box.

Been seen out there, night or day!  Research has shown that riding with flashing lights on--even during the day--greatly increases your chances of been seen out there on the roads while riding.  BE SAFE!