This ScanSnap iX1500SE is the SunSun Edition, a model without an LCD screen. It is not the same model as the one with an LCD screen. Scanning tests via Wi-Fi and USB connection have been confirmed as working properly. It supports sizes from business cards to A4. Scanning is initiated from the ScanSnap Home screen on your computer or tablet. It's user-friendly with a variety of apps. Operation guaranteed for 7 days from delivery. Full refund available if any issues arise.