Amazon.com: 5.5 x 2.1mm Extension Cable with Router Rebooter (10 Inches Length), Works with AC Adapter to Reboot WiFi Router/Modem/Switch/IP Camera Automatically, Refresh Your Network Connection Regularly : Electronics
DC9-15V Extension Cable with Router Rebooter to Reboot WiFi Router Modem Automatically Refresh Network Connection - AliExpress
Amazon.com: 5.5 x 2.1mm Extension Cable with Router Rebooter (10 Inches Length), Works with AC Adapter to Reboot WiFi Router/Modem/Switch/IP Camera Automatically, Refresh Your Network Connection Regularly : Electronics