Electronic Calculator Counter 12-digit Display Multi-function Business Office School Calculation

Easy to use, large display screen: All products with batteries have passed the test. It is recommended to install batteries to avoid unpredictable errors. 12 digits, better vision, corners of the eyes, upright LCD screen; automatic shutdown (less than 10 minutes use).Anti-slip design: The anti-slip gasket is not easy to slide during operation.Durable silicone buttons: Good touch, ABS plastic material, light weight. The configuration is reasonable and the operation is comfortable.Solar power and battery dual power supply Solar power and spare battery can make desktop calculator work in low light conditions. The calculator can handle solar energy, you need to bring your own 1.5v battery as a backup battery and have automatic power supply function.