The product is a wonderful calculator which is powered by solar energy or built-in battery and displays 10 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: Plastic, Electric Components-Size:19.30X11.70X3.00cm/ 7.58X4.60X1.18in-Note: The built-in battery is included, and it can be powered by both solar power and built-in battery. -It is the best gift for children, students, colleagues, classmates, friends, etc.-Portable design, it is very convenient to carry out, can be directly put in a handbag or school bag.-It can operate addition, subtraction, multiplication and division, which is convenient and practical.-Made of high-class materials, it is very durable and practical for long-lasting use.-Perfect for school, home and office to use. It can perform simple calculations. Packing list: 1 x Calculator