DVD-R (Book D of the DVD Forum) is the record-once writable DVD format

Tech

Read Pioneer's DVD White Paper

Media

Uses organic dye polymer technology, like CD-R, and is compatible with almost all DVD drives and players. A future version of the drive will support DVD-RW media.Media costs about $45, and is available from Pioneer and TDK. DVD-R and DVD-RW discs are expected to last anywhere from 50 to 300 years, about as long as CD-R discs. First-generation capacity was 3.95 GB but was extended to 4.7 GB later.

Where we could possible read it?

DVD-R produces the DVD discs that played at all DVD's around.

Price

DVD-R are available from Pioneer currently priced about $5.400.