The cateye omni 3 tl ld135 led rear light is a triple led light with opticube lens technology designed to deliver a powerful boost to your visibility when cycling at night it is essential that you get yourself noticed when riding in poor light conditions and this excellent cateye rear light is an inexpensive way to do it this rear bike light has three different modes for you to choose from with rapid flash and constant mode offering runtimes of 200 hours 150 hours and 100 hours r