- DC5.5x2.1mm Interface: the male head connects to the power interface of the router or optical modem, and the female head connects to the adapter power supply. - Automatic power cycle every 72 hours: it powers off and restarts on a 72-hour cycle to refresh the network and help reduce congestion, improving bandwidth utilization. - Why you need it: simplifies maintaining network performance by periodically rebooting the connected device without manual intervention. - Key attributes: function is automatic power cycling, compatibility with standard router/modem power setups, measurable size through the DC5.5x2.1mm interface, and performance improvement in congestion management. - Use scenarios: - Home network with streaming video and online gaming to help prevent slowdowns during peak times. - Small office network where congestion can occur and a periodic refresh helps maintain stability. - Internet modem/router setups that benefit from regular reboot to refresh connections and sustain performance.