SuperMediaStore 1 to 3 DVD Duplicator (Economic Line) built-in Sony 20X Burner, Black Casing - Retail Supports DVD+/-R, DVD+/-RW, DVD+/-R Dual Layer, CD-R, CD-RW blank media standards Auto Source Disc Analyzing, Master Error Proof,Copy, Test, Verify, and Compare functions available Self diagnostics with power start, disc formats automatically detected for stable and secure burning Easy to use Password protection modes to prevent unauthorized usage Comes with a 1 year warranty (parts & labor included) and free technical support