[12-Digit High-Definition Lcd Display] High-quality large-area LCD display, Shows slender and clear fonts, 12-digit display is more clear and more convenient for operation. [Solar Battery Dual Drive] It can work without a battery. The color calculator uses dual power supply of light energy and button battery, which can be automatically switched according to the light situation, which is more power-efficient, and the normal use lasts for more than 2 years. [Detachable Keycaps For Easily Clean]the keycaps on the calculator can be detached, which is convenient for cleaning and wiping off debris and dust, effectively increasing the life of the calculator. [Automatic Shutdown Saves Power] when the unused state reaches 9 minutes, the calculator will automatically shut down. you are needn't worry about power consumption when you forget to shut down. Long battery life. [Light-weight ABS Material] Fashionable style in pure color texture, simple and exquisite, premium ABS material is bright, delicate, smooth, strong and durable. The thickness of the keyboard is suitable, and it is easy to use. The non-slip foot pad made of soft rubber can avoid falling during use. Colour: green Product includes: 1pc Size: 184*102*15 mm Notes: Please allow 1-3cm error, due to manual measurement, please make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thank you for your support!