Lutron RA2 Select Wireless Repeater ExtenderThe Lutron RA2 Select Wireless Repeater Extender increases the range of the RA2 Select system in your home or garage. You need the RA2 Select Main Repeater that acts as the system hub in order to use this. The RA2 Select system is the perfect choice for controlling lights, fans, etc in your home and or garage via app control. You can control up to 100 devices in the RA2 select system. If you want to use an app to control functions in your home and