The DR800SG is an electronic handheld device, or e-Reader

E-book

An electronic book is a book-length publication in digital form, consisting of text, images, or both, and produced on, published through, and readable on computers or other electronic devices. Sometimes the equivalent of a conventional printed book, e-books can also be born digital...

, which can be used for document reading using an electronic paper

Electronic paper

Electronic paper, e-paper and electronic ink are a range of display technology which are designed to mimic the appearance of ordinary ink on paper. Unlike conventional backlit flat panel displays, electronic paper displays reflect light like ordinary paper...

 display.

Description

Main specifications:

• an 8.1 inches (20.6 cm) electronic paper
  Electronic paper
  Electronic paper, e-paper and electronic ink are a range of display technology which are designed to mimic the appearance of ordinary ink on paper. Unlike conventional backlit flat panel displays, electronic paper displays reflect light like ordinary paper...
  
   display, area for displaying content is 124x165mm
• a resolution
  Display resolution
  The display resolution of a digital television or display device is the number of distinct pixels in each dimension that can be displayed. It can be an ambiguous term especially as the displayed resolution is controlled by all different factors in cathode ray tube , flat panel or projection...
  
   of 768x1024 pixels (160 dpi
  Dots per inch
  Dots per inch is a measure of spatial printing or video dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch . The DPI value tends to correlate with image resolution, but is related only indirectly.- DPI measurement in monitor...
  
  )
• 16 levels of grayscale
• a USB 2.0 connector for external storage,
• Mobile broadband (3G): CDMA-based weight
• 400 MHz Freescale i.MX31L processor
• 128MB RAM
  Ram
  -Animals:*Ram, an uncastrated male sheep*Ram cichlid, a species of freshwater fish endemic to Colombia and Venezuela-Military:*Battering ram*Ramming, a military tactic in which one vehicle runs into another...
  
  
• 2 GB
  Gigabyte
  The gigabyte is a multiple of the unit byte for digital information storage. The prefix giga means 109 in the International System of Units , therefore 1 gigabyte is...
  
   replaceable MicroSD card for User storage
• Linux-based operating system (2.6 kernel)
• SDK is provided, so functionality is easily extended.

It measures 150 mm × 193 mm × 10 mm (width × height × depth), the size of an A5 document, or roughly a 6"×9" steno notebook. The display used is an active matrix

Active matrix

Active matrix is a type of addressing scheme used in flat panel displays. The term describes a method of switching individual elements of a flat panel display, using a CdSe or Silicon-based thin-film transistor for each pixel...

 electrophoretic display, which uses E Ink

E Ink

E Ink is a specific proprietary type of electronic paper manufactured by E Ink Corporation, founded in 1997 based on research started at the MIT Media Lab...

 Vizplex Imaging Film manufactured by E Ink Corporation

E Ink Corporation

E Ink Corporation is a privately held manufacturer of electrophoretic displays , a kind of electronic paper. E Ink is located in Cambridge, Massachusetts, and was co-founded in 1997 by Joseph Jacobson, a professor in the MIT Media Lab. Two years later, E Ink partnered with Philips to develop and...

. Underneath the E Ink screen is a digitizing tablet by Wacom

Wacom

in Krefeld, Germany. Wacom is a Japanese portmanteau: Wa for "harmony" or "circle", and Komu for "computer". Wacom tablets are notable for their use of a patented cordless, battery-free, and pressure-sensitive stylus or digital pen...

 which requires a stylus

Stylus (computing)

In computing, a stylus is a small pen-shaped instrument that is used to input commands to a computer screen, mobile device or graphics tablet...

 for input.

The DR800SG is capable of displaying document files in a number of formats, including EPUB

EPUB

EPUB is a free and open e-book standard by the International Digital Publishing Forum...

, PDF, XHTML

XHTML

XHTML is a family of XML markup languages that mirror or extend versions of the widely-used Hypertext Markup Language , the language in which web pages are written....

 and plain text

Plain text

In computing, plain text is the contents of an ordinary sequential file readable as textual material without much processing, usually opposed to formatted text....

. It can also display JPEG

JPEG

In computing, JPEG . The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality. JPEG typically achieves 10:1 compression with little perceptible loss in image quality....

, BMP and PNG images, but only black white in 16 grey scales.

Through its wireless service, Verizon

Verizon Wireless

Cellco Partnership, doing business as Verizon Wireless, is one of the largest mobile network operators in the United States. The network has 107.7 million subscribers as of 2011, making it the largest wireless service provider in America....

 3G, the DR800SG can directly download content. Via the onboard "shopping mall" users can directly access several book stores and purchase their books directly through their device. Users can connect to their computer and transfer files to their device via USB 2.0

The distributor of the DR800SG is iRex Technologies, a Philips

Philips

Koninklijke Philips Electronics N.V. , more commonly known as Philips, is a multinational Dutch electronics company....

spin-off company. The DR800SG was released in January 2010, and is currently available from Best Buy (online-only).