Cateye omni 5 rear light five bright leds deliver great brightness with impressive runtime the omni 5 rear light provides 360 degrees of visibility and new omni directional technology increases safety while three flashing modes rapid flashing and constant let you select the right level of visibility with two aaa batteries the omni 5 will run up to 120 hours the simple tool free flextight bracket and included clothing clip allow you to easily attach the omni 5 anywhere youd like dimensio