The perfect accessory for the mobile professional who needs access to CD or DVD information anywhere. It's compact, lightweight, portable, versatile, and fast. The NWDVD01 connects your notebook through the PC Card slot. Using a unique "Power Management System", the CD-ROM/DVD Drive is completely mobile, drawing what little power it needs from your PC Card slot. It only draws power when needed. During idle times, the NWDVD01 requires almost no power and thus, will not cause a severe drain on your notebook's own battery.