Description 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. 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.