The Six Level Communicator, models 2391, 2391-M, and 2391-B, is a direct selection communicator designed for use by children and adults with communication disabilities. This unit features six levels of recording capacity, with eight, five-second messages per level for a total of 48 messages. To identify the messages, picture cards (not included) are placed behind the switchplate for the appropriate square. To activate the desired message, the user presses the corresponding picture. To selct a different set of messages, the user sets the selector switch on the back of the unit and slides in the appropriate picture cards. Messages can be stored indefinitely or modified as needed to meet user requirements. POWER: Uses four double-A batteries (not included). DIMENSIONS: 12.5 x 8 x 3 inches. The squares are 2 inches. COLOR: Model 2391 is white, model 2391-M is platinum, and model 2391-B is black.