The customer comes first! If you have any dissatisfaction with the product, we support full refund within 30 days! Creatives Gift Dual Screen Calculator for Public and Business Purposes with Inquiry Data for Home, Office, and Finance Purposes Product parameters： Style: Modern and Material: Plastic Adapted battery: Ordinary dry battery Processing customization: No Product Type: Arithmetic Calculator With voice function: No Display digit: 12 With or without battery: Yes Color：black Product size : 7.87×5.75 inch Product weight: 0.53 Ib Gross weight: 0.62 Ib Packaging size: 20.2×15.4×4cm/7.95×6.06×1.57inch Product description: The large LCD screen clearly displays large numbers, making it easy to read from afar and aesthetically pleasing. With the response button of this calculator, your calculation process will be faster and smoother. pressing, the button quickly registers on the screen and displays the corresponding number. The large size of the button can hitting the wrong button. His calculator utilizes both solar energy and battery power (including batteries). As long as the solar panel is used in a light environment, it will power the calculator. This calculator is suitable for various occasions: business, office, home, basic budget, school, etc. Use it to help with your finances or quick calculations. Add, subtract, multiply, split, backlight, total, %, M+/M -/MRC, On/AC buttons, and automatic shutdown. being idle for about 6 minutes, the calculator will automatically close. Package Included: 1 × Office specific calculator Viflosae Creatives Gift Dual Screen Calculator For Public And Business Purposes With Inquiry Data For Home, Office, And Finance Purposes Electronics Gadgets Deals of the Day Clearance The large LCD screen clearly displays large numbers, making it easy to read from afar and aesthetically pleasing. With the response button of this calculator, your calculation process will be faster and smoother. pressing, the button quickly registers on the screen and displays the corresponding number. The large size of the button can hitting the wrong button. His calculator utilizes both solar energy and battery power (including batteries). As long as the solar panel is used in a light environment, it will power the calculator. This calculator is suitable for various occasions: business, office, home, basic budget, school, etc. Use it to help with your finances or quick calculations.