The Switch Easel Step Talking Sequencer, model 1481, is a sequential communicator designed for use by individuals with cognitive, communication, or speech disabilities. When the switch on the unit's easel is activated, the unit plays a series of pre-recorded messages, enabling a user with limited communication skills to carry on a simple conversation. Other uses include testing, directions, multiplication, memorization, medical instructions, storytelling, and sing-alongs. Messages can be recorded up to a total of 300 seconds. POWER: Uses 4 double-A batteries. DIMENSIONS (HxLxW): 2.5 x 9.75 x 8.75 inches. COLORS: Blue and yellow.