I purchased this about two years ago but haven't used it much, so it's in very good condition. This is an 18-megapixel scanner that supports up to A3 size and can scan in one second. - Model Name: CZUR ET18 Pro - Scan Speed: 1 second scan (A4 size) - Max Scan Size: A3 - Resolution: 18 megapixels - Auto-Flattening Function: Automatic recognition and image flattening - Cloud Scan Function: Supports cloud scanning Thank you for looking.