- Industrial-grade HUB chip with MTT technology provides stable and smooth operation for 4 simultaneous USB connections. - ESD protection on each USB port prevents electric surge damage and data loss. - Over-voltage protection shields connected devices from high voltage power input. - Multiple protection circuits including over-voltage, over-current, short circuit, over-temperature, reverse current, under-voltage lock-out, 8KV ESD protection, and filtering protection. Use scenarios - Desktop or workstation setup requiring reliable, simultaneous use of four USB devices such as external drives, USB flash drives, a webcam, and input devices. - Industrial or workshop environments where power conditions may be unstable or prone to surges, increasing device protection and reliability. - Field or maintenance tasks using portable power sources, where surge and ESD protection helps safeguard connected equipment.