features: 1. On board 4-way USB expansion port, two inputs can be switched, and two hosts share USB external devices 2. Industrial grade HUB chip and MTT technology are used to make 4-way USB more stable and smooth 3. Each USB port is equipped with ESD protection, and the device connection is protected from surge damage and data loss 4. On board overvoltage protection circuit can effectively prevent equipment damage caused by other high-voltage power supply On board multiple protection circuits: overvoltage protection, overcurrent and short-circuit protection, overtemperature protection, reverse current protection, undervoltage locking, 8KV ESD protection, filtering protection, etc Industrial grade metal shell, solid and durable, with reserved screw holes for easy installation and fixation Specifications: Interface standard: high-speed USB 3.2 Gen 1 Communication rate: up to 5Gbps in theory USB output: 5V@Imax: 1.2A, USB-A interface USB HUB input: 5V, two USB-A interfaces (independent power supply, no series connection) External power supply: DC power supply terminal 7~36V (additional power supply shall be connected when using high-power equipment) Operating environment: - 40 ℃~85 ℃ Operating system: compatible: Mac OS (version 8.6 or above), Linux (kernel version 2.4.20 or above), Windows 11/10/8.1/8/7/XP Product size: 86.2 x 65 x 27.2mm Color: black Material: metal Package Contents: 6 x USB3.2-Gen1-HUB-2IN-4OUT 12 x Double male USB 3.0 data cable