Color Led Display, Built-In Sound Prompts, Fully Intelligent Flushing, Water Control, Automatic Fault Alarm, Short-Term Automatic Protection. Flushing: 18 Seconds Before Each Water Production; 8 Seconds Every 2 Hours Of Water Production, (The Pump Is Working, The Water Inlet Valve Is Open, The Flushing Valve Is Open, And The Flushing Light Is Flashing) Water Full: The Program Detects The Water Full Signal And Enters The Water Full State. (The Pump Stops, The Water Inlet Valve Closes, The Flush Valve Closes, And The Full Water Light Is Always On) Water Shortage: In The Process Of Flushing Or Water Production, The Water Shortage Signal Is Detected, And It Enters The Water Shortage State. (Pump Stopped, Inlet Valve Closed, Flush Valve Closed, Low Water Light Blinking) Water Production: When There Is No Shortage Of Water, The Program Detects A Signal That The Water Is Not Full, And Enters The Water Production State; (The Pump Works, The Water Inlet Valve Opens, The Flushing Valve Closes, And The Water Production Light Flashes) Maintenance: If The Continuous Water Production Exceeds 6 Hours, It Enter The Maintenance State, And The Flushing Valve Be Closed. It Can Only Be Recovered By Powering Off And On Again. (The Pump Works, The Water Inlet Valve Opens, The Flushing Valve Closes, And The Flushing, Water Production, And Water Shortage Indicators Flash)