This Jebao smart MDP pump is controlled through 2.4G WiFi with smartphone and the Jebao App. This is precise control of flow through the aquarium's reactors, 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-20000 DC return pump, power adapter, controller, PVC adapters: 2" & 1-1/2" Barbed Adapters: 2", 1-1/2", 1-1/4" and 1".