Feature: 1. Easy to read: portable calculator, the product buttons are large and clear, and the 8-digit LCD display allows you to see at a glance. 2. Convenient to carry: The size of the product is only about 6.8*12 cm/2.68*4.72 inches. It is portable in the community and easy to carry. It is suitable for homes, schools, and offices. 3. Quality and appearance: Use durable ABS material to ensure daily use. The candy color is matched with the frosted body, presenting visual hierarchy, beautiful and practical. 4. Clear big buttons: Clear buttons, high sensitivity, quick response to the buttons, and not easy to wear. 5. Dual power supply: light energy and button battery dual energy dual drive, can be switched freely according to the environment, power saving and durable. Specification: Name: Portable calculator Size: about 6.8*12 cm/2.68*4.72 inches Material: electronic components + ABS Power supply: solar + electronics Battery: button battery (including 1) Battery: Dual power supply 1. (1 button battery) 2. Solar Package: 1 * calculator