Generally, eufy Smart Safe S10 can be placed at a location that is up to 650ft / 200m away from the router in your house. However, the actual distance between the router and your eufy Smart Safe S10 will vary depending on a number of factors, such as the thickness of walls, the stability of the router’s network signal, and the location of the router.

It is highly recommended to place the Smart Safe at a secure location that is able to receive strong and stable WiFi signal from your router in order to ensure its performance and reliability.