Features 1、STABLE CONTROL: The USB front panel adapter has 2 ports USB3.0 and 2 power control switches to ensure data security and stable control 2、SCOPE of APPLICATION: Suitable for multi hard disk control, multi system switching, optical drives, fans, RGB lighting effects, etc 3、CONVENIENT and BEAUTIFUL: The USB front panel adapter is the management of electrical equipment in the host, which is convenient and beautiful 4、INDEPENDENT SWITCH: Independent switch settings, easy to operate, just one touch, each switch controls a corresponding output interface 5、USE with CONFIDENCE: Specially made non separable parallel line and SATA 15PIN standard power supply line to meet your long term use 6、POWER OUTPUT: Power output 1 and 2 are used to connect electrical equipment, such as hard disk, optical drive, fan and other SATA power equipment Specification Item Type: USB Front Panel Adapter Material: PCB Model: PH7 Purpose: Suitable for Desktop Computer Optical Drive, 2 x USB Expansion, 2 x Power Expansion, 2 x 2.5in Hard Disk Bracket, Multi Hard Disk Control, Multi System Switching, Host Optical Drive Vacancy Package List 3 x Belt 2 x Output Power Cord 12 x Screw (4 pcs to fix the controller and the chassis, 8 pcs to fix the 2.5in hard drive) 1 x Input Power Cord 1 x USB Front Panel Adapter