About the Cateye Omni 3 Rear Light The Omni 3 rear light provides 360 degrees of visibility and CatEye exclusive FlexTight bracket and included clothing clip allow you to easily attach the light anywhere you\\\'d like. Directional Technology increases safety while three modes - rapid, flashing and constant, let you decide how flashy you want to be. Two AAA batteries provide up to 200 hours of run time. Key Features > OMNI directional technology and OptiCube™ lens technology for improved visability > 360 degree visibility to ensure you can always be seen night or day > To underline their quality and reliability, Cateye products undergo the most stringent QC tests in the industry, many of which exceed the requirements of CE