4x extended USB 3.2 Gen1 ports, compatible with USB 3.2 / 2.0 / 1.1; Onboard 7~36V DC power port to ensure more stable power supply for connected devices; Up to 2A Max output current for each USB port, effectively preventing USB current backflow; Multiple LED indicators for monitoring operating status of power supply and USB ports; Metal case, rugged & durable, with mounting holes for easy installation; Driver-free, plug-and-play, compatible with Windows, macOS, Linux and Android, etc.; Rich WiKi Resources We provide official Wiki resources, please contact us for more information.