Color: Yellow; Material: ABS Plastic (Main Body), ABS Plastic (Keyboard Button); Size: 145 x 90 x 12mm / 5.71 x 3.54 x 0.47inch (L*W*H); Display Size: 74.5 x 19mm / 2.93 x 0.74inch (L*W); Digital Display: 12 Digits; Power Source: AG10 Button Battery (Included); Advantage: It is small and light in weight, easy to carry or put in your pocket. The plastic buttons are comfortable to touch and smooth to operate. This handheld calculator contains button batteries for long battery life. Automatic smart sleep does not affect daily use and saves a lot of power. Soft rubber design on the back for stability and durability. The basic electronic calculator has a visual angled stand on the back for easy reading of calculations and helps protect your hand joints. Application: This large LCD display calculator has a variety of functions and can effectively perform calculation work for everyone. Its simple and universal appearance is suitable for business, office, home, or basic calculation occasions. This cute little calculator can be used as a gift for people who like math or work in the office. Instructions: The calculator already contains a button battery, so you can use the calculator to perform calculations directly when you turn it on. NOTE: Please allow slight color differences due to camera or lighting conditions. Please allow slight size deviation due to manual measurement.