The product is a wonderful calculator which is powered by solar energy or built-in battery and displays 12 digits on the screen. With portable design and easy to use, it is suitable for home and office use. This is also a good helper for the retailer. Features -Color:White-Material:ABS-Size:14.50X12.00X2.50cm/5.70X4.72X0.98in-Note: Battery is not included. (1 x AA battery)-Note: It can be powered by both solar power and battery.-Suitable for students, office workers, classmates, college students, friends, kids, children, accountants.-It can perform mathematical operations of addition, multiplication, subtraction, and division.-Lightweight and portable, it is more convenient to store and carry out.-Made of high-grade ABS material, strong and durable, it can serve you for many years.-The workmanship of this product is perfect, and you will have a good experience in using it. Packing list: 1 x Calculator