The DynaVox EyeMax is an eye controlled input system for communicator that can be used to access DynaVox Vmax communication device (see separate listing). The EyeMax can be used by people of all ages and cognitive abilities with direct vision in one or both eyes, even if they wear contact lenses or glasses. Rapid, stable calibration eliminates the need for frequent caregiver intervention. Calibration is maintained as long as a user’s needs remain unchanged. This system attaches to the Vmax securely without the need for tools, and supports changing access needs. The system provides users with access to built-in infrared environmental control functions, and the ability to adjust settings and program content independently. The Navigator user interface and content options for literate adults included with the Vmax provides EyeMax users with quick access to speech, e-mail, Internet, computer, ebooks and environmental controls. The EyeMax system also provides access to InterAACT, a langue framework that allows people of all ages and abilities to communicate effectively and efficiently. EyeMax eye-gaze access methods include dwell only, dwell/blink combined, blink only, and select with switch. Every device ships with a Vmax bracket, DVD with instructional videos, EyeMax Quick Start Guide, Environmental Control (as included in the Vmax), and computer access capability. POWER: Uses the rechargeable internal battery. DIMENSIONS (HxWxD): Including the Vmax, the unit is 13 x 12.5 x 3 inches. The working distance of the eyes from the display is 17 to 28 inches. The volume of allowable head movement is 6 x 9.4 x 11 inches. WARRANTY: 1- year all-inclusive, with up to four additional years available.