1. Material: The outer box is made of metal shell with upper and lower cover structure, easy to install, and the is painted. 2. Interface: External support for USB2.0/USB3.0 interfaces. 3. Support: Internal support for types of optical drives with 5.25 inch interface, , 3.5inch hard disks, and DVD16 speed recording. 4. Function: LED indicator. Supported devices: 5.25 inch DVD, optical drive, various 3.5inch hard disks, supporting DVD 16 speed recording (these hardware are not included in this product) Supported capacity: up to 8TB Power adapter output: 12V-3A Power adapter input: 100V-240VAC 50/60Hz 1.0A Maximum operating speed: 480Mbps Support system: for Windows98/ME/2000/XP/for OS 9.0 or higher Driver: for 9/8 or below requires a driver Working environment: - 40 -70 Storage temperature: - 50 -80 Relative humidity: 5% - 95% Voltage:110V-220V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Color: As Shown Material: Aluminum Alloy Package Contents: 1 x CD-ROM box 1 cord 1 adapter 1 set x accessories 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.