Knog Frog LED Rear Light

This is a super bright LED rear light that produces 10,000 millicandelas and is visible for up to 600m.
It has a water-resistant, flexible silicon body with an integrated clipping feature providing quick-release mounting.
It comes with 2 coin cell-CR2032 batteries, has steady and flashing modes and a run time of up to 80 Hrs in steady mode or up to 160 Hrs in flashing mode.