Features: 1.Chip: Industrial grade HUB chip, using STT technology, USB at the same time use more stable and fluent. On board RTL8152B Ethernet chip, leading to RJ45 network port, 10M 100M adaptive. 2.ESD Protection: Each USB port with ESD protection, device connection from surge damage and data loss, on board 3 way USB expansion enclosure, compatible with USB2.0 USB1.1 transmission. 3.Power Supply Stability: On board high capacity electrolytic capacitors, can effectively make the USB port power supply output more stable, industrial grade metal housing, rugged, pre drilled screw holes, easy to install fixed. 4.Multiple Protection Circuits On Board: Over voltage protection, over current and short circuit protection, over temperature protection, reverse current protection, under voltage lockout, 8KVESD protection, filtering protection, etc. On board overvoltage protection circuit, can effectively prevent other high voltage power supply access to cause equipment damage. 5.LED Indicators: Multiple LED indicators on board, easy to check the working status of power supply, network port and USB interface. specification:Item Type: Industrial Grade USB HUB Material: Aluminum Alloy Voltage: 100-240V Usb: Interface Usb2.0 Interface x 3, Theoretical Up To 480Mbps Network Port: 10M 100M Adaptive Usb Hub Input Enclosure Form: Usb B Interface Usb Output: Usb A Interface Compatible Operating System: for OS (Version 8.6 Or Above), for Linux (Kernel Version 2.4.20 Or Above), for Windows 11 10 8.1 8 7 XP PackageList: 1 x Hub 1 x Usb Cable 1 x Power Supply Cable