Morse Code Tutor – Will send Letters, Numbers, Prosigns. Adjustable speed and content. Speeds adjustable from 3 to 60 words per minute. Will send Callsigns, words, QSO’s and all 43 FCC recognized characters. Uses a standard 9 volt battery. It has a built in speaker and a headphone jack. The LCD display shows the sent characters for sight / Sound recognition. In excellent condition! Complete with original manual.