This is an ATEN rack-mount power distribution unit (PDU) rated at 30A with 24 metered and switched outlets — an 'eco PDU' in ATEN's naming, meaning it adds per-outlet (or per-bank) power metering and remote on/off switching for energy management and remote power-cycling of individual devices in a rack. It's used in server rooms and comms cabinets where an admin needs to remotely reboot a hung server or network device without walking to the rack, and to monitor power draw for capacity planning or billing across a shared rack. Metered-and-switched PDUs like this typically report over network management (SNMP/web interface), though the specific management interface isn't detailed in the listing.