The Phillips & Lite-On DVD/CD Rewritable Disk DU-845LH is an internal laptop drive manufactured by Lite-On. This drive supports reading and writing both DVDs and CDs, making it a versatile option for storing and accessing data on optical discs. The specific model number, DU-845LH, indicates the exact version of the drive. With its compact form factor and functionality, this drive is a suitable choice for those looking to add or replace a DVD/CD drive in their laptop.