Brother ADS-4100. Maximum scan size: 215.9 x 355.6 mm, Optical scanning resolution: 600 x 600 DPI, Enhanced scan resolution: 1200 x 1200 DPI. Scanner type: ADF scanner, Product colour: Black, White, Control type: Buttons. Sensor type: Dual CIS, Scan to: Image, PC, USB, Scan drivers: ICA, SANE, WIA. Auto document feeder (ADF) input capacity: 60 sheets. Maximum ISO A-series paper size: A4, Scanning media types supported: Business Card, Plain paper, Plastic Card, Recycled paper, Thick paper, Thin paper, Card thickness (max): 1.1 mm