Simple and reliable, this Four Function Control System by Len Gordon can run any 2 pieces of equipment. Includes a built-in 24 hour time clock that is programmable in 15 minute increments with manual override. Operated by a single air button (Sold Separately), control distance up to 150', depending on the air button used. It will control a single or 2-speed pump and blower. Neutral required. Comes with air tubing.