- 10-Port Industrial Usb 2.0 Hub Is Built With A Cold-Rolled Steel Housing To Withstand Environments With Temps Of Up To 32 To 140 F (0 To 60 C) - Lockable Usb-A Ports With Esd Protection Usb 2.0/1.1/1.0 Driverless And Os Independent - 15Kv Air And 8Kv Contact Esd Level 4 Protection - Multiport Usb Hub Features Built-In Brackets For Wall/Desk Installation Din Rail Mountable - Usb Expander Features A Dc Plug And Terminal Block Power Inputs (5 To 24V Dc) Power Adapter Not Included