Magnetic Flasher with Magnet Clip, Super bright flashing magnet button is great to use as a button, tie-tack, earring or cuff link! "
Great for parties, concerts, walking or jogging. A wonderful incentive gift for your students."
Some designs come with optional necklace nylon cord. "
Sizes vary from 1.5"" to 5"" H. Includes two CR927 (watch type) batteries.