. With this router rebooter power cord, you no longer need to manually unplug and plug the router frequently, as it allows your router to automatically restart within 72 hours. No setup required—plug and play. Simply connect the router rebooter to your router and it will function immediately. The automatic restart cycle begins from the time of use and occurs within 72 hours. The cable is compatible with most routers on the market that have a 2.1mm x 5.5mm power interface. Due to memory issues, long-term operation of a router can result in significant data caching. Restarting the wireless router helps clear its memory. Regularly clearing accumulated unnecessary data can help resolve unexpected network disconnections or poor network performance caused by router issues, thereby improving overall network experience. Working Voltage and Current: DC5V-24V Female Input: 5.5x2.1mm Male Output: 5.5x2.1mm Color: Black Material: PVC Package Contents: 1 x Router restart cable Note: The package includes only the items listed above; other products are not included. Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by +/- 1-3cm.