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. Wi-Fi and USB cable connection are possible. Double-sided scan test confirmed to be working properly. Comes with a 7-day operational guarantee from the date of delivery, a genuine adapter, and does not include a USB cable; please prepare your own.