Desktop Financial Office Computer Basic Office Functions Electronic Calculator Long lasting: An AA battery (not included) and solar panels help to ensure that the calculator can work even in dimly lit places. Durable: The product uses silicone buttons, has a good touch, ABS plastic material, and light weight. Reasonable configuration and comfortable operation. Advanced design: with non-slip washers, it is not easy to slide during operation. Application: Very suitable for home and office use, to perform common mathematical operations and various financial functions Product color: black Product contains：1PC Desktop calculator Product Name:Solar energy calculator Colors:Black Commodity materials:Plastic Package Includes:1PC solar calculator We sell a wide range of home products that meet most everyday household needs. Welcome to shop and inquire.