Easy to use 1 to 1 CD copier creates 1 copy from 1 master. It reads and writes CD-Rs at 52x and CD-RWs at 24x. With its stand alone operation, requiring no programming, controller interface, or PC, this device is available for immediate use right out of the box. Automatic error detection eliminates the need for post production quality control. A cooling system achieving 100% duty cycle performance also makes this CD duplicator perfect for continuous use work load environments. Reading Speed: CD-R 52x;CD-RW 24x; Writing Speed: CD-RW 24x;CD-R 52x; Technology Supported: Audio CD;CD Extra/CD Plus;CD Text;CD-1 Photo CD;CD-R;CD-ROM Mode-1;CD-ROM XA Mode-2 Form1and Form2;CD-RW;Super Video CD.