Rain Bird RC2 Residential Controller by Sprinkler Warehouse Rain Birds cutting-edge Quick Pair Technology allows pairing of your smart phone right from the app without complication. From there, the built-in access point promotes all-inclusive programming without an active WiFi network, which is ideal for new construction installations. NEW Quick Pair Technology for seamless set-up WiFi access for real-time alerts and automatic weather adjustments that can save water and money Contractor and homeowner access through the Rain Bird mobile app with or without WiFi