The outer box is made of metal shell, upper and lower cover structure, simple installation, and the is painted. External support USB2.0/USB3.0 interface. Internal support for 5.25inch SATA interface of types of optical drive, DVD, support for 3.5inch SATA hard drive. Support DVD 16 speed recording. Orange LED indicator. Note: Support system:For Windows98/ME/2000/XP/for OS 9.0 or lastest verson Driver:Drive required under for windows98 Name:5.25Inch SATA optical drive USB2.0/USB3.0 hard disk box Supporting equipment:5.25inch DVD, optical drive, all kinds of 3.5inch SATA hard disk, support DVD16 speed recording (this product does not contain these hardware) Input interface:USB2.0/USB3.0 to USB Type-B Support capacity:up to 8T Installation method:screw Power adapter output:12V-3A Power adapter input:100V-240VAC 50/60Hz 1.0A Maximum operating speed:4.8Gbps, External Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage:AC110V Colour:As Shown Material:Plastic+Iron Package Contents: 1 * External Optical Drive Case 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.