Feature:1. [Big Buttons] This calculator features large keys that provide a comfortable and smooth typing experience, reducing the risk of errors during calculations.2. [14-Digit Display] With its clear 14-digit screen display, you can perform large calculations easily, making it an ideal tool for office work, accounting or student use. 3. [IT Keyboard] The keyboard design offers a tactile response for each keypress, which enhances the accuracy and speed of your calculations.4. [Dual Power Sources] This scientific calculator operates on dual power sources - solar and 1 AAA battery (not included), ensuring continuous and reliable power supply for your calculations.5. [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:Model: CL-1034Color: Brown Grey, White, Blue (color will be delivered randomly)Size: 16*14cmWeight: 201gScreen: 14 digitsBattery: 1*AAA(not included) , solar panelPackage List:1 x Calculator