With 10 recording folders—each holding up to 199 messages—there's a place for every note you need to make. Save to computer via USB (cable included); share recordings through email and online file sharing. Large, easy to read buttons, 1.8" display, built-in mic and speakers, 4 GB memory, RCA Digital Voice Manager software (PC/Mac compatible) and lanyard. Uses 2 AAA batteries (included). 2" w x 4 1/2" h x 3/4" d.