Industrial Usb Hub Adds 4 Usb-A Downstream Facing Ports (Dfp) - 6Ft A-B Host Cable - 5Gbps Shared - Rugged Metal Design - 6Ft A-B Host Cable - Usb Event Monitoring - Esd Level 4 Usb Hub Features 15Kv Air And 8Kv Contact Electrostatic Protection - Mount Hub To A Wall/Desk/Din Rail - Usb Port Expander Is Powered By The Dc Barrel Connection Or Terminal Block Using A 5 To 24V Dc Source (Not Incl) - When Connected To Power Source The Hub Supports Bc 1.2 Charging On Each Port - Ocp Prevents Overdraw