Communication Builder

The most versatile tool for clinical evaluation currently available! This seven-level communicator features five interchangeable frame overlays, giving you the option of recording one, two, four, eight or 16 messages. As users develop skills, the unit grows along with them! One window = 250 seconds, two windows = 125 seconds, four windows = 60 seconds, eight windows = 35 seconds, 16 windows = 15 seconds. Overall size: 8 1/2"L x 7"W (22 x 18cm). Smallest window on 16-message overlay measures 1 1/2" x 1 1/8" (4 x 3cm). Requires four "AA" batteries (not included).