Multifunctional large display The large 12-digit display clearly shows calculation data and meets the requirements of office use and student exams in various ways. Convenient key design Large keys with non-slip silicone pads, quiet operation when pressed and removable keys for easy maintenance, providing a comfortable and user-friendly experience. Dual power supply Equipped with two power supply modes (solar energy and button battery), energy-saving and environmentally friendly, ensuring reliable operation in different lighting conditions without power interruption. High-quality material Made of ABS material with a smooth surface and durable texture, it can withstand daily use and maintain its appearance and performance over time. Lightweight and portable Sleek white design, compact size of 185*100 mm, lightweight and easy to carry, enabling convenient use anytime and anywhere. Large screen and large buttons 12-digit large screen with flat, spacious buttons, silent pressing, clear visibility and ease of operation suitable for multiple scenarios. Durable material ABS casing with smooth finish and silicone anti-slip base, designed to endure frequent daily use. Beautiful gift option Elegant white appearance with a premium look; includes a free transparent sticker for personalized decoration.