Calculators features: Calculator 2 Digit Desktop Basic Calculators Dual Power With Large LCD Display Color School Office Electronic Calculator| Calculators(green) Feature: Colorgreen Two-way Power: Solar (works only when it is bright) and Battery (included,long battery life.). Automatic shut-down (8 minutes don't use), energy saving and environmental protection. Very Practical:The beautiful buttons and easy to read display make the calculator super child friendly. performs common math as well as various financial functions, perfect for both adults and students. Big LCD Display Screen:Displays up to 12 digits Extra-large LCD display., humanized 30-angle display design, We use the specially modulated pigment for the display screen which improves the clarity of the display screen greatly. High Quality: Percussion keyboard ergonomic design, clear sound, after 100 thousand times of tapping test, not easy to bond. Unique Design:The bottom of the calculator has a non-slip gasket, which is not easy to slip during operation. With a hard plastic body the Calculator is built with everyday use in mind. Good sense of touch, ABS plastic material, light weight. Reasonable configuration and comfortable operation. Package includes: 1X Calculator (1*AA Battery not include)