Scanner specifications: Image sensor: Image sensor A4 color contact image sensor (CIS) Resolution: 300 - 600 - 1050 dpi Scanning Speed: 300 dpi 4 sec, 600 dpi 7 sec, 1050 dpi 11 sec Capacity: 300 dpi color : 2000 JPEG images 600 dpi color : 1000 JPEG images 1050 dpi color : 500 JPEG images File format: JPEG, PDF LCD: 1.5” Color with scanning status display/preview USB port: USB-C External memory capacity: MicroSD™ card / MicroSDHC™ card up to 32 GB Battery type: Built-in rechargeable 900mAH Lithium-ion Polymer battery Battery life (scanning to MicroSD™ Card): 750 pages daily after recharging (A4, 300 dpi, color)