The Cateye Omni Taillight Bicycle Light features the New Omni Directional Technology, which provides a 360 degree visibility for added safety. It combines the power of three powerful yet energy efficient LED’s to produce a high-lumen output. The 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. CatEye exclusive FlexTight bracket and included clothing clip allow you to mount the Omni 3 virtually anywhere you’d like.