-remove 3 regular 3 way switches and install 3 lutron smart switches to be compatible with existing smart dimmers to control outdoor fixtures and half of hall way fixtures inside the house. 2 switch locations by main front door, 1 switch location in master bedroom -remove 1 regular 3 way switches and install 1 Lutron smart switches to be compatible with existing smart dimmer to control 2nd half of hallway fixtures, location of switch is by the laundry room and wet bar area -remove 2 regular 3 way switches and install 2 Lutron smart switches to be compatible with existing smart dimmer to control outdoor fixtures in hallway going to the king and twin bedrooms, switch locations are in king and twin bedrooms WARRANTYS 5 years on devices LIFETIME GUARANTEE ON WORKMANSHIP