Features: This 12 digit solar calculator features double solar battery power supply for reliabled operating in low light and an LCD writing panel with retractable pen for precise calculations and note taking. Designed with a compact, lightweight ABS body, it includes a retractable pen for detailed work and a large LCD display for clear visibility of complex data. Ideal for students, professional and office workers, this versatile calculator supports diverse calculation needs with its user friendly features. Perfect for travel, classrooms, business meetings, and office settings, it offering portability and convenience for on the go use in various environments. The solar powered design ensures sustainable energy, while the LCD writing panel enhances functionality for administrative and financial tasks. Specifications: Component:ABS Size: Compact and portable Equipped with retractable pen, powered by double solar cells, powered by 3A batteries (not included) Technical parameters: 12-digit LCD display, suitable for complex calculations Usage scenarios: travel, student study, professional offices and administrative and financial tasks Practicality: Reliabled operating in low light conditions for easy recording and detailed work Package Includes: 1PC 12-digit solar calculator with LCD writing pad note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution