Features: [Large Round Keys]: This calculator features large, round keys that provide a comfortable and smooth typing experience, reducing the risk of errors during calculations. [Mechanical Keyboard]: The mechanical keyboard design offers a tactile response for each keypress, which enhances the accuracy and speed of your calculations. [12-Digit Display]: With its clear 12-digit display, you can perform large calculations easily, making it an ideal tool for office work, accounting or student use. This 15 tilt screen for optimum field of view and stability. It is convenient and comfortable to calculate and read. [Battery Powered]: Powered by 2x AAA battery (not included), this calculator is energy efficient and provides long-lasting operation. Plus, Built-in solar energy panel, convenient to provide the solar power even the battery is power off. [Versatile Use]: Whether it's for office work, accounting tasks or student homework, this calculator is designed to cater to a wide range of numerical computation needs, offering professional-grade reliability. Specification: Color: Purple, White, Pink, Blue(Optional) Size: 15.3x14x2.5cm Weight: 220g Main Material: ABS Power: 2xAAA battery (Not included) Package Weight: 250g/8.8oz Package Size: 17x14x2.5cm/6.7x5.5x1in Packing List: 1 x Calculator