Description This product is an excellent calculator powered by solar energy or a built-in battery, featuring a 10-digit display. With its portable design and user-friendly functionality, it is ideal for both home and office settings. Features -Material: Plastic -Power supply mode: solar energy or battery. -Note: Equipped with a built-in battery. -Compact size and lightweight, this straightforward calculator is easy to use and convenient to carry. -Constructed with high-quality materials, it is practical and durable for long-term use. -10-digit display for clear visibility, making it easier for you to use and read. -Ideal for computing complex numbers, suitable for educational, home, and office use. -Ultra-thin elegant design, durable, quick response, and excellent display performance. Package list: 1 x Calculator