Product Feature : 1. Plastic buttons, clear subtitle and sensitive proceeding speed. 2. The product series adopt two power: solar energy or battery. 3. 12 Numbers Showing Function. 4. Dual power source: solar energy or 1 AAA battery-powered 5. A great choice for studying and working. 6. Size:4.7 x 5.5 x 1.8 in(L*W*H), please pay attention to the size before order. 7. Calculator help you whiz through tricky math problems and display their answers on bright, easy-to-read screens. 8. Great on your office desk - or home office. 9. We are equipped with a AAA battery, use the time with the battery to use, under the condition of insufficient light can be used, AAA battery can be used for 1 years Thank you for your business, if you are satisfied about our product and service, please give us a positive feedback. If not, please feel free to contact us through Amazon messages before you leave a negative feedback. We will get back to you as soon as possible and try our best to solve the problem. Thank you so much. Have a nice day.

• Easy to Read Calculator With Extra Large LCD Display, 12 Digit Display
• Auto Power-off, Ergonomic Design Comfortable Button
• Dual Power: Solar and Battery, solar function works even in the dim light.
• Dual Power Source: Solar Energy or 1 AAA Battery-Powered
• Calculator Help You Whiz Through Tricky Math Problems, a Great Helper For Your Wonderful Life

Easy to Read Calculator With Extra Large LCD Display, 12 Digit DisplayShenzhen City Sheng Chuan Trading Co., Ltd.