Toro EVO-SC Smart Connect Wireless Plug-In Receiver for Evolution Series Controllers

Upgrade to Smart Control An optional Smart ConnectTM device plugs into the timing mechanism, enabling it to wirelessly communicate directly with a number of add-on devices-including a weather sensor, handheld remote, multiple soil sensors, and up to two wireless relays. USB drive NOT included. You will only need to use your own if your timer requires a firmware upgrade to work with the Smart Connect.