Easy to Read: Portable mini calculator with a large 8-digit LCD screen, clear and easy to read, allowing you to see the numbers at a glance. Easy to Carry: The calculator measures 115mm x 68mm, small and lightweight, easy to store in a drawer or slip into a school bag or briefcase; suitable for home, school, and office. Quality and Appearance: This basic standard calculator is made of durable ABS to ensure normal daily use; the candy color design and reasonable button layout make it both beautiful and practical. Dual Power Supply: This electric digital children's calculator features dual power, light energy and battery; it can switch power modes depending on the environment, making it more durable and convenient. Clear Large Buttons: The portable calculator has high sensitivity and fast button response, improving your work efficiency; the numbers on the buttons are not easily worn and can be used for a long time. Note: Due to manual measurement, the size will have a +/-0.5cm error.