Feature: 1. [High Sensitivity] With high sensitivity and quick response to keys, this calculator will improve your productivity. Made of durable ABS for long term use. 2. [Large And Wearable Keys] The numbers on the calculator's keys are resistant to wear and tear, and the large buttons prevent you from pressing the wrong ones. 3. [Dual Power Supply] A power saving calculator with two power modes, solar and battery, that can be charged by solar power when light is available, without the need to replace battery. 4. [Aesthetically Pleasing Design] Elegant and slim design and reasonable button layout make it aesthetically pleasing and practical, and perfectly sized to fit on your desk. 5. [Applications] This calculator is perfect for office, business, student, store and home use, you can also give it as a practical gift to friends, students. Specification: Item Type: Calculator Material: ABS Product Size: Approx. 18.4 x 10.2 x 3.3cm / 7.2 x 4 x 1.3in Color: White Use: Can be used in business, office, home, school and other scenarios, use it to help your individual finance or quick calculations Not Shipped with Battery Battery Properties: 1 x LR44 Button Battery. Package List: 1 x Calculator1 x Instruction Manual Note: Manual measurement, please allow 0.04‑0.08in error.