This 12-digit jumbo talking calculator announces calculations in units and digits. Easy to see and easy to find soft rubber buttons measure 1 1/2" wide. Large LCD display measures 1 1/8" high x 5 5/8" long for easy viewing. Display numbers measure 7/8" high. Jumbo sized at a full 8" x 11 7/8". Uses two AAA batteries. Audio output jack for headphones (headphones not included) is on the upper left hand side
of the unit.