The tl ld155 5 led rear light from cateye offers powerful all round visibility thanks to five 5mm leds optimised with opticube lens technology this is a great value way to add to your visible profile when cycling in low light conditions and should be part of every safety conscious rider39s kit bag get yourself seen and help improve your safety with the tl ld155 this excellent cateye rear light runs for up to 120 hours when on rapid more or 60 if you39ve got it in constant th