ENERGY-SAVING DUAL POWER SUPPLY: The calculator can be powered by solar energy and battery, and it can automatically sleep and wake up at any time, which is convenient for daily study and work. 12-DIGITS: The calculator features a 12-digit LCD display that clearly shows the results of your calculations. The display is clear and easy to read, ensuring you work accurately and efficiently. NNI-SLIP DESIGN: The bottom of the calculator is equipped with a non-slip pad, so it is not easy to slide when operating. There is a 15-degree stand on the back for you to read the numbers. PREMIUM QUALITY MATERIAL: Made of durable ABS material, the calculator is compact and can be placed flat on any desktop, countertop or workspace for easy access at any time. APPLICATION SCENARIO: Compact and portable general-purpose desktop calculator for home, school, office or store, a must-have for anyone who needs to make reliable and accurate calculations every day. Item Name: Calculator Material: ABS Power Supply: 1 x Button Battery(Included) Display Digits: 12 Features: Portable, Oval Buttons, Large LCD Display Size Details: L: 14.5cm/5.71", W: 9cm/3.54" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Calculator