Lite On 24X DVD RW LS External eHAU424: * Supports DVD±R/RW, DVD±R9, DVD-RAM, DVD-ROM, CD-R/RW and CD-ROM formats * Supports double-layer DVD±R9 recording function * Portable design for easy transport * USB 2.0 connection ensures the best performance * Plug & play compatibility for easy operation with no setup * EZ-DUB for quick and easy duplication of discs and easy file archiving * SMART-BURN technology automatically adjusts writing technology to provide best burning quality * SMART-X function adjusts CD-DA / VCD / DVD data extraction to fastest allowable speed * SmartErase technology helps you erase your data * LightScribe technology lets you burn custom labels onto LightScribe discs