This Jebao smart MDP pump is controlled through 2.4G WiFi with your smarphone and the Jebao App. It's precise control of the flow through your aquarium's reactor, sump, or closed loop system. With complete control through the WiFi Controller, you can control the speed and feed modes. No copper components. Wear resistant cermaic shaft, longer operation life. Package includes: MDP-6500 DC return pump, power adapter, controller, PVC adapters: 3/4", 1", 1-1/4" Barbed Adapters: 3/4", 1-1/4"