Lg Dvdrw Gh24ls70 24x Sata Lightscribe W/ Software Black Bare Internal Sata Cd-Rw Drive LG DVDRW GH24LS70 24X SATA Lightscribe with Software Black Bare. OPERATING SYSTEM: SWindows 7, Windows Vista, Windows XP. LIGHTSCRIBE LABEL PRINTING (GH24LS70): Pixel Resolution: 600 (DPI). Track Resolution: 400 - 2000 (TPI). Linear Velocity: 0.25 - 1.4 (m/sec). Laser Power: 40 (mW) as Objective emission light of 780nm wavelength.