Twelve-Digit Desktop Calculators With A Standard Dual-Power Battery Solar Product Details Colorful and Compact Design: the set comprises 5 financial calculators, with 5 bright colors to choose from; Its compact size, measuring at 5.94 x 4.76 x 1.42 inches/ 15.1 x 12.1 x 3.6 cm, easily fits on your desk, in your bag, or in your hand, making computations a breeze no matter where you are; Ample quantities also enough to share with others Large Display for Better Visibility: struggle no more with reading small numbers, with its large LCD screen, this small calculator displays numbers in sizeable, clear digits, contributing to accuracy and efficiency in your calculations Big and Responsive Buttons: the office calculators have highly sensitive, big sized buttons to enhance operational accuracy by minimizing the chance of pressing the wrong keys, thereby avoiding calculation errors in critical work or study scenarios Two Way Power Basic Calculator: say goodbye to dead batteries that interrupt your work flow; These desktop calculators feature a dual power supply system, supported by both solar energy and AA batteries, even when the lighting in the room is poor, simply install a battery and continue your math problem solving with ease; Note: package does not include batteries Versatile Multifunction Calculator: these accounting calculators are proficient in performing essential mathematical operations like addition, subtraction, multiplication, and division, their versatile design makes them suitable for various settings like business, office, home, schools, and even designed to meet the requirements of various users including bankers, financial workers, data analysts, and even students, these calculators are equipped for business and personal use 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.