The Aquascape Smart Control Receiver is required to run Aquascape adjustable flow pond pumps, allowing you to control your pump from anywhere using the Aquascape Smart Control App. The specially designed receiver makes it easy to connect your pump to your smartphone or tablet, allowing for a variety of wireless control functions, including flow adjustment and customized scheduling. Connecting your device to the Aquascape Smart Control App is quick and easy, simply plug in your pump, pair the receiver to your device, and enjoy. The Smart Control Receiver also includes an integrated control panel with digital numeric display and quick-and-easy flow-adjustment. The receiver includes a weather-proof, quick-connect fitting for quick and secure setup. The Smart Control Receiver is compatible with AquaSurge®, AquaForce® and SLD 4000-7000 Adjustable Flow Pond Pumps. A conversion plug is included to upgrade existing Aquascape adjustable flow pumps to smart controls. NOTE: The SLD 5000-9000 Adjustable Flow Pump requires the Smart Control Receiver Large (Item #45039). An optional Universal Remote for Adjustable Flow Pumps (Item #45041) is available separately to allow wireless control without the use of a smartphone or tablet. The Smart Control Receiver is compatible with iPhone and Android operating systems and adequate wireless coverage is required (2.4 GHz supported). The Smart Control Receiver is backed by a 3-year limited warranty to ensure years of reliable use.