Patikil Desktop Calculator, 12 Digits Large Lcd Display Solar Battery, Black. The large LCD display screen calculator is very suitable for learning, office, and business. Basic calculators are suitable for women, men, workers, and anybody that needs to make any sort of calculation from time to time. This calculator is a good daily gift for friends and family. Specification Color: Black Material: PS Plastic Size: 150 x 120 x 47 x 13 mm/5.91 x 4.72 x 1.85 x 0.51 inch (Length*Width*Max Height*Min Height) Display Screen Size: 98 x 18 mm/3.86 x 0.71 inch (L*W) Digital display: 12 Digits Power Source: Solar Power, One AA Battery (Not Included) Packing List: 2 x Office Desk Calculator Advantage 1. The plastic keyboard buttons are very sensitive, and the large buttons are designed to prevent you from hitting the wrong button. 2. The huge LCD 12 digits display calculator that clearly displays big numbers making it easier to read. 3. This desktop calculator has an automatic intelligent sleep setting, which saves power very much. 4. Dual power supply, even if the battery power is run out, as long as the solar panel energy is charged in the light, it can be used. Instruction It is easy to use. You can use it after installing an AA battery. The solar panel needs bright light to charge. NOTE 1. This basic calculator is not equipped with AA batteries. You need to prepare it yourself. 2. Please allow for slight color differences due to camera or lighting conditions. 3. Please allow for slight size deviation due to manual measurement. Color: Black; Material: PS Plastic; Size: 150 x 120 x 47 x 13 mm/5.91 x 4.72 x 1.85 x 0.51 inch (Length*Width*Max Height*Min Height); Display Screen Size: 98 x 18 mm/3.86 x 0.71 inch (L*W); Digital display: 12 Digits; Power Source: Solar Power, One AA Battery (Not Included); Packing List: 2 x Office Desk Calculator Advantage: The plastic keyboard buttons are very sensitive, and the large buttons are designed to prevent you from hitting the wrong button. The huge LCD 12 digits display calculator clearly displays big numbers making it easier to read. This desktop calculator has an automatic intelligent sleep setting, which saves a lot of power very much. Dual power supply, even if the battery power is run out, as long as the solar panel energy is charged in the light, it can be used. Application: The large LCD display screen calculator is very suitable for learning, office, and business. Basic calculators are suitable for women, men, workers, and anybody that needs to make any sort of calculation from time to time. This calculator is a good daily gift for friends and family. Instruction: It is easy to use. You can use it after installing an AA battery. The solar panel needs bright light to charge. NOTE: This basic calculator is not equipped with AA batteries. You need to prepare it yourself. Please allow for slight color differences due to camera or lighting conditions. Please allow for slight size deviation due to manual measurement.