Set of 3 voice alert devices for bicycles. These devices issue a voice warning when a button is pressed. *These are not lights.* Requires 2 AAA batteries (sold separately). New, unopened. Some may have tape on the back. Will be shipped via standard mail. Since the item is not stored at my home, it will take some time to package and ship after purchase. Please understand that shipping will take place within one week of purchase. Also selling in other quantities. Bulk purchases are welcome, so feel free to inquire.