Epson WorkForce ES-50 Power PDF. Optical scanning resolution: 600 x 600 DPI, Input colour depth: 48 bit, Output colour depth: 24 bit. Scanner type: Handheld scanner, Product colour: Black. Sensor type: CIS, Daily duty cycle (max): 300 pages, Light source: ReadyScan LED. Maximum ISO A-series paper size: A4, Scanning media types supported: Business Card, Plastic Card, Post Card(JPN), ISO A-series sizes (A0...A9): A3, A4, A5, A6, A7, A8. Standard interfaces: USB 2.0