The EUFY RoboVac 25C can work without wi-fi if you use the remote control. Simply use the remote control to start and stop the vacuum. You can also use the remote control to set up a schedule. Some of the newer models don’t come with a remote and have to be controlled using the EUFY Home app on a smartphone. If you don’t have access to wi-fi at your home, make sure to download the app on one of your smart devices.