This scanner is the Sun Sun Edition, which does not have an LCD operation panel. It is operated via a computer or tablet. The operation app can be downloaded from Ricoh. It supports sizes from business card to A4, and can connect via Wi-Fi and USB cable. Double-sided scanning test has been confirmed to be working properly. It comes with a 7-day operational warranty from the date of delivery, a genuine adapter, and does not include a USB cable; please prepare one.