Plustek OpticBook A300 Plus Flatbed Scanner is compatible with all the Operating Systems and supports devices like PC, laptops, smartphones, tablets, etc. It is a monochrome scanner. It scans efficiently and its grayscale depth is 16-bit. Also, its installation is easy and is perfect for the office. It scans your A3-size document in 2.48 seconds. The scanner is portable as well. It is equipped with Plustek's patented Shadow Elimination Element that ensures clear scanning. Also, its LCD screen indicates the scanning process. You can organize and share your photos quickly with this scanner easily from anywhere. It also comes with Operation Auto Continuous Scan.