Steel housing for harsh environments, labs and workstations. Provides 4 USB-A ports at USB 3.2 Gen 1 (5 Gbps shared), with screw-lock connectors. ESD protection of 8 kV air and 4 kV contact. Mounts on a wall, desk or DIN rail. Powered at 5-24 V DC through a barrel connector or terminal block (power source not included). Includes a 1.8 m (6 ft) USB-A to USB-B cable. 2-year warranty.