A small central hub, about the size of a bar of soap, connects to your home Wi-Fi network and is controlled with an app. Then, the slightly smaller sensors can be distributed throughout the house or apartment. Photo 1 of 5 in These Tiny Hubs Will Make Your Home Smart and Safe by Alexander George

These Tiny Hubs Will Make Your Home Smart and Safe

1 of 5

A small central hub, about the size of a bar of soap, connects to your home Wi-Fi network and is controlled with an app. Then, the slightly smaller sensors can be distributed throughout the house or apartment.