diff --git a/Indicators/MyIndicators/Authors/Ehlers/1_Smoothers/ZeroLag_EMA_Pro.mq5 b/Indicators/MyIndicators/Authors/Ehlers/1_Smoothers/ZeroLag_EMA_Pro.mq5
new file mode 100644
index 0000000..a77f10c
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+++ b/Indicators/MyIndicators/Authors/Ehlers/1_Smoothers/ZeroLag_EMA_Pro.mq5
@@ -0,0 +1,87 @@
+//+------------------------------------------------------------------+
+//|                                              ZeroLag_EMA_Pro.mq5 |
+//|                                          Copyright 2025, xxxxxxxx|
+//|                                                                  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+#property version   "2.00" // Added Ehlers' optimized gain (Error Correcting) mode
+#property description "Zero-Lag Exponential Moving Average (ZLEMA). Supports standard"
+#property description "and Ehlers' optimized gain (Error Correcting) modes."
+
+#property indicator_chart_window
+#property indicator_buffers 1
+#property indicator_plots   1
+#property indicator_label1  "ZLEMA"
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrAqua
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  1
+
+#include <MyIncludes\ZeroLag_EMA_Calculator.mqh>
+
+//--- Input Parameters ---
+input int                       InpPeriod       = 20;    // EMA Period
+input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice  = PRICE_CLOSE_STD;
+input group "Advanced Settings"
+input bool                      InpOptimizeGain = false; // Use Ehlers' Error Correcting (slower)
+input double                    InpGainLimit    = 5.0;   // Gain Limit for optimization (e.g., 5.0 = +/- 50 steps)
+
+//--- Indicator Buffers ---
+double    BufferZLEMA[];
+
+//--- Global calculator object ---
+CZeroLagEMACalculator *g_calculator;
+
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   SetIndexBuffer(0, BufferZLEMA,  INDICATOR_DATA);
+   ArraySetAsSeries(BufferZLEMA,  false);
+
+   if(InpSourcePrice <= PRICE_HA_CLOSE)
+     {
+      g_calculator = new CZeroLagEMACalculator_HA();
+      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("ZLEMA HA(%d)", InpPeriod));
+     }
+   else
+     {
+      g_calculator = new CZeroLagEMACalculator();
+      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("ZLEMA(%d)", InpPeriod));
+     }
+
+   if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriod, InpOptimizeGain, InpGainLimit))
+     {
+      Print("Failed to initialize Zero-Lag EMA Calculator.");
+      return(INIT_FAILED);
+     }
+
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriod * 2);
+   IndicatorSetInteger(INDICATOR_DIGITS, _Digits);
+
+   return(INIT_SUCCEEDED);
+  }
+
+//+------------------------------------------------------------------+
+void OnDeinit(const int reason)
+  {
+   if(CheckPointer(g_calculator) != POINTER_INVALID)
+      delete g_calculator;
+  }
+
+//+------------------------------------------------------------------+
+int OnCalculate(const int rates_total, const int, const datetime&[], const double &open[], const double &high[], const double &low[], const double &close[], const long&[], const long&[], const int&[])
+  {
+   if(CheckPointer(g_calculator) == POINTER_INVALID)
+      return 0;
+
+   ENUM_APPLIED_PRICE price_type;
+   if(InpSourcePrice <= PRICE_HA_CLOSE)
+      price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice);
+   else
+      price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
+
+   g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferZLEMA);
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+