versatile, portable scanner with built-in rechargeable battery. take part of your office with you. the ds-940dw is designed to be truly flexible. setup is easy with the built-in battery, wi-fi and intuitive lcd panel. digitizing files whether in an office where space is limited or on the go is very easy. scan your documents directly to the cloud with the brother mobile app and easily share them with colleagues wherever you are. your information is kept safe and remains clear. with the unique u-path roller system, you don't have to have extra space behind the scanner. after scanning the document, the paper slides over the top of the scanner and returns.key properties automatic double-sided scanning of a4 up to 15 pages per minute the u-path paper feed system saves space top software for scanning documents and id cards power directly from the usb port built-in rechargeable battery and card reader connect to a wireless network or brother mobile applicationscanner type: portablea4 scan speed: color and black 15 ppm, (a4 300dpi)types and sizes: media size - single width 50.8 - 215.9 mm, length 86.4 - 1828.8 mm, ( u-path width 74 - 215.9 mm, length 105 - 297 mm), width cards 85.6 length 53.98 mm, card thickness with embossed text 1.24 mm, plastic card thickness 1 mm, width 74 - 79.38 mm length 105 - 355.6 mmscan resolution [dpi]: 1200 x 1200 dpiscan to: email, ocr, file, image and microsdinterface: super speed micro usb 3.0 type bpower consumption [w]: 2.2 w (wi-fi mode), 1.5 w (pc mode)dimensions: 319 x 63.1 x 45.4 mmweight: 699 gpackage contents: dsmobile ds-940dw scanner, micro usb cable, warranty card, quick setup guide, product safety guidewarranty: 24 months