Specification: Condition: 100% Brand New Item Type: Calculator Material: Plastic Color: Black, Red, Blue, White(Optional) Size: Approx. 114x190x37mm / 4.5x7.5x1.5in Weight: Approx.175g/6.2oz Power Supply: (Dual power supply) Solar Energy + 1 x AG10 button battery 80mAh(included) Package List: 1 x Calculator 1 x Instruction Manual Note: 1. Please allow 1-2cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Dual Power: The dual power calculator is fully powered in any lighting environment thanks to its dual solar and battery power system. A battery is included with the calculator, ensuring immediate quick and easy access. Angled Design: The calculator angled design puts the display at just the right angle towards you, allowing you to easily view calculations without straining your eyes and protecting your neck. Super Buttons: The calculator's neatly lined, spacious button size ensures that your fingers are less likely to mistype numbers, and the neatly lined buttons are a boon for OCD, look satisfying, and feel comfortable to the touch. Robust Build: The calculator is built with a sturdy, high-quality plastic body with everyday use in mind. It's convenient, powerful, durable, while maintaining a thin and light body, allowing you to carry it in your pocket or bag to handle computing requirements on the go. Easy to Use Design: The calculator features a 10digits large-screen LCD that displays ten digits at a time, which is convenient and comfortable for daily use.