Comix Desktop Calculator, C-2735, Champaign Gold Color Panel, 12 Digits Display, Product Details Computer Keys Design?Super comfortable touch feel Large LCD Display:12 digits make it more useful for large calculations Dual Power: it's powered by one AA battery and solar panel. Kindly note the package contain one AA battery. The solar only can serve as auxiliary power. Highly recommended to put an AA battery for a clearer display. Product Size: 7.2 x 6.2 x 1.8 in. Exquisite Appearance:Champaign gold color panel and metal overlay, perfect for office daily uses 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.