This 8 digit calculator features dual power options for reliable usage. It is made from durable ABS material and comes with a stylish bamboo case. The calculator is powered by a single cell battery (LR1131) which is included in the package. The bamboo case not only adds a touch of elegance to the calculator but also contributes to its eco-friendly nature. As bamboo is a natural product, each item may have slight variations in color and size, making every calculator unique. These variations can also affect the final decoration outcome, adding a personal touch to each unit. With its compact size and easy-to-use functionality, this calculator is perfect for both personal and professional use. Whether you need to perform basic calculations or complex equations, this calculator will ensure accuracy and convenience. Embrace style, durability, and sustainability with this customizable calculator.