The ultimate espionage devices. Listen in on secret conversations. Then activate the ultraviolet message reader to reveal your secret notes! Voice locator easily attaches to your ear. Message reader clips to your belt. Take them everywhere! Uses 1 LR44 (1.5v) and 3 LR41 (1.5v) batteries (included). Comes with pad of paper and invisible ink pen! Ages: 567 + Manufacturer: Alex
