HP Scanjet Pro 2500 f1. Maximum scan size: 216 x 297 mm, Optical scanning resolution: 1200 x 1200 DPI, Input colour depth: 24 bit. Scanner type: Flatbed & ADF scanner, Product colour: Black, White. Sensor type: CMOS CIS, Daily duty cycle (max): 1500 pages, Light source: LED. Maximum ISO A-series paper size: A4, Scanning media types supported: Envelopes, Labels, Photo paper, Plain paper, Plastic Card, Post Card(JPN), Auto Document Feeder (ADF) media weight: 60 - 105 g/m². Standard interfaces: USB 2.0