Features:The outer box is made of metal shell, upper lower cover structure, simple to install, and the is painted. External support USB3.0 interface. Internal support for 5.25 inch DVD, optical drive, all kinds of 3.5 inch SATA hard disk, support DVD Burn at 16 x speed. Orange LED indicator. Item specifics Condition: Description:Portable Aluminum Alloy USB 3.0 DVD CD Case External HDD Mobile Box for 3.5 inch SATA Enclosure ROM Burner Specification: Model: 525Q-SU3E Supporting Equipment: 5.25 inch DVD, optical drive, all kinds of 3.5 inch SATA hard disk, support DVD Burn at 16 x speed (This product does not contain these hardware) Input interface: USB3.0 to USB Type-B Support Capacity: Up to 3T Installation method: Screw Power adapter output: 12V--3A Power adapter input: 100V-240VAC 50/60Hz 1.0A Maximum Operating Speed: 4.8Gbps, external use, support hot swap Support System: for 98/ME/2000/XP/ OS 9.0 or later Driver: Drive required for under 98 Working Environment: -40 Celsius-70 Celsius Storage Temperature: -50 Celsius-80 Celsius Relative Humidity: 5%-95% Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Colour:black Material:Aluminum Alloy + plastic Size:250 X 163 X 51mm Package Contents: 2 x DVD CD HDD Case 2 x Data Cable 2 Adapter 2 x Screws Package Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.