The 10-Digit Talking Calculator with Music and Alarm is a voice-output calculator designed for use by persons who are blind or have low vision. The calculator has a 10-digit liquid crystal display (LCD), with voice output for entries and results. Other features include voice volume control and shutoff; a time and date display mode, with automatic return from calculator to time mode after eight minutes idle; a built-in talking alarm clock; calculation results reported in digits or units; and 15 musical selections. POWER: Uses two triple-A batteries (included). DIMENSIONS (HxLxW): 1.5 x 7 x 5.25 inches. WEIGHT: 7.6 ouhces.