This Brother ZX-1700 Electronic Typewriter is a sheetfed scanner that supports A4 sizes and has a scanning resolution of 1200x1200 DPI. It has a grayscale depth of 48 bits and a color depth of 48 bits, ensuring high-quality scans. The scanner is wireless, allowing for easy connectivity to your device. It is compatible with Brother models ADS-1700W and has a California Prop 65 warning.