Desk Calculator With Solar Standard Function Office Calculators, Touch Product Details Two-way Power Desktop Calculator: Solar and Battery,In the case of sunlight or light, it can also be used without battery (Provide 2 AA batteries, only need to use 1 AA battery). Large 12-Digit LCD Display: Big 4-inch display basic calculator, different viewing angles can see the numbers clearly. 10 Key Calculator Big Buttons: This easy-to-use calculators desktop is designed to follow the numerical arrangement of your computer keyboard. Office Calculator for Desk: The big calculator perfects for office, business, school, store, mall daily and office home used. It by user such as bank stuff, data analyst and financial calculator, etc. Multi-function Hand Calculator: The ten key calculator includes basic addition, subtraction, multiplication and division functions for daily taxation, billing, office, and study. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.