Ten digit talking calculator measuring 7.4 X 7 X 1.8 inches with a large 5 ½ X 1 1/8 inch LCD screen. Clear female human voice announces all digits and functions entered as well as calculations. Additional features include an adjustable volume button (high, low or off), optional time announcement, date display, alarm clock, and an earphone jack for privacy (earphones not included). Uses two 'AA' batteries (not included). One year warranty.