Ener-J presents this pack of 3 wifi extenders to prevent dead zones and improve signal strength to areas further away from the router. These wi-fi extenders create a seamless single Wi-Fi network for all of your devices and can support a maximum of 60 connected devices simultaneously. Using the Tenda Wi-Fi App you can easily set up manage and monitor your wi-fi mesh network. The app also allows for parental controls allowing access to be scheduled for your children.