Welcome to our store! 1. [High Sensitivity] With high sensitivity and quick response to keys, this calculator will improve your productivity. Made of durable ABS for long-lasting use. 2. [Large And Wearable Keys] The numbers on the calculator keys are resistant to wear, and the large buttons prevent you from pressing the wrong one. 3. [Dual Power Supply] An energy-saving calculator with two power modes, solar and battery, which can be charged by solar energy when light is available, without the need to replace the battery. 4. [Aesthetically Pleasing Design] Elegant and slim design and reasonable button layout make it aesthetically pleasing and practical, and the perfect size to fit on your desk. 5. [Applications] This calculator is perfect for office, business, student, shop, and home use; you can also give it as a practical gift to friends, students. Item Type: Calculator Material: ABS Product Size: Approx. 18.4 x 10.2 x 3.3 cm / 7.2 x 4 x 1.3 inches Color: White Use: Can be used in business, office, home, school, and other scenarios, use it to help your individual finances or quick calculations Does not come with battery Battery Characteristics: 1 x LR44 button battery 1 x Calculator 1 x Instruction Manual