diff --git a/src/components/InventorySearch/InventoryLotLineTable.tsx b/src/components/InventorySearch/InventoryLotLineTable.tsx
index c6f9c6b..172122e 100644
--- a/src/components/InventorySearch/InventoryLotLineTable.tsx
+++ b/src/components/InventorySearch/InventoryLotLineTable.tsx
@@ -71,7 +71,7 @@ const InventoryLotLineTable: React.FC<Props> = ({
     const [startLocation, setStartLocation] = useState<string>("");
     const [targetLocation, setTargetLocation] = useState<number | null>(null); // Store warehouse ID instead of code
     const [targetLocationInput, setTargetLocationInput] = useState<string>("");
-    const [qtyToBeTransferred, setQtyToBeTransferred] = useState<number>(0);
+    const [qtyToBeTransferred, setQtyToBeTransferred] = useState<string>("");
     const [warehouses, setWarehouses] = useState<WarehouseResult[]>([]);
     const [printModalOpen, setPrintModalOpen] = useState(false);
     const [lotLineForPrint, setLotLineForPrint] = useState<InventoryLotLineResult | null>(null);
@@ -117,7 +117,18 @@ const InventoryLotLineTable: React.FC<Props> = ({
         return base.filter((line) => line.lotNo === f);
     }, [inventoryLotLines, filterLotNo]);
     const originalQty = selectedLotLine?.availableQty || 0;
-    const remainingQty = originalQty - qtyToBeTransferred;
+    const validatedTransferQty = useMemo(() => {
+        const raw = (qtyToBeTransferred ?? '').replace(/\D/g, '');
+        if (raw === '') return 0;
+
+        const parsed = parseInt(raw, 10);
+        if (Number.isNaN(parsed)) return 0;
+        if (originalQty < 1) return 0;
+
+        const minClamped = Math.max(1, parsed);
+        return Math.min(minClamped, originalQty);
+    }, [qtyToBeTransferred, originalQty]);
+    const remainingQty = originalQty - validatedTransferQty;
 
 const prevAdjustmentModalOpenRef = useRef(false);
 
@@ -315,7 +326,7 @@ const prevAdjustmentModalOpenRef = useRef(false);
         setStartLocation(lotLine.warehouse.code || "");
         setTargetLocation(null);
         setTargetLocationInput("");
-        setQtyToBeTransferred(lotLine.availableQty >= 1 ? 1 : 0);
+        setQtyToBeTransferred("");
       },
       [],
     );
@@ -471,11 +482,11 @@ const prevAdjustmentModalOpenRef = useRef(false);
     setStartLocation("");
     setTargetLocation(null);
     setTargetLocationInput("");
-    setQtyToBeTransferred(0);
+    setQtyToBeTransferred("");
     }, []);
 
     const handleSubmitStockTransfer = useCallback(async () => {
-    if (!selectedLotLine || !targetLocation || qtyToBeTransferred < 1) {
+    if (!selectedLotLine || !targetLocation || validatedTransferQty < 1 || validatedTransferQty > originalQty) {
         return;
     }
 
@@ -484,7 +495,7 @@ const prevAdjustmentModalOpenRef = useRef(false);
         
         const request = {
         inventoryLotLineId: selectedLotLine.id,
-        transferredQty: qtyToBeTransferred,
+        transferredQty: validatedTransferQty,
         warehouseId: targetLocation, // targetLocation now contains warehouse ID
         };
 
@@ -503,7 +514,7 @@ const prevAdjustmentModalOpenRef = useRef(false);
     } finally {
         setIsUploading(false);
     }
-}, [selectedLotLine, targetLocation, qtyToBeTransferred, handleCloseStockTransferModal, setIsUploading, t, onStockTransferSuccess]);
+}, [selectedLotLine, targetLocation, validatedTransferQty, originalQty, handleCloseStockTransferModal, setIsUploading, t, onStockTransferSuccess]);
 
     return <>
 <Box sx={{ display: 'flex', alignItems: 'center', gap: 1, flexWrap: 'wrap', mb: 2 }}>
@@ -662,15 +673,29 @@ const prevAdjustmentModalOpenRef = useRef(false);
                     label={t("Qty To Be Transferred")}
                     fullWidth
                     variant="outlined"
-                    type="number"
+                    type="text"
+                    inputMode="numeric"
                     value={qtyToBeTransferred}
                     onChange={(e) => {
-                        const value = parseInt(e.target.value) || 0;
-                        const minValue = 1;
-                        const maxValue = Math.max(0, originalQty);
-                        setQtyToBeTransferred(Math.min(Math.max(minValue, value), maxValue));
+                        const raw = e.target.value.replace(/\D/g, '');
+                        if (raw === '') {
+                            setQtyToBeTransferred('');
+                            return;
+                        }
+                        const parsed = parseInt(raw, 10);
+                        if (Number.isNaN(parsed)) {
+                            setQtyToBeTransferred('');
+                            return;
+                        }
+                        if (originalQty < 1) {
+                            setQtyToBeTransferred('');
+                            return;
+                        }
+                        const clamped = Math.min(Math.max(1, parsed), originalQty);
+                        setQtyToBeTransferred(String(clamped));
                     }}
-                    inputProps={{ min: 1, max: originalQty, step: 1 }}
+                    onFocus={(e) => (e.target as HTMLInputElement).select()}
+                    inputProps={{ pattern: "[0-9]*" }}
                     InputLabelProps={{
                         shrink: true,
                         sx: { fontSize: "0.9375rem" },
@@ -715,7 +740,7 @@ const prevAdjustmentModalOpenRef = useRef(false);
                         fontSize: '0.9375rem',
                     }}
                     onClick={handleSubmitStockTransfer}
-                    disabled={!selectedLotLine || !targetLocation || qtyToBeTransferred < 1 || qtyToBeTransferred > originalQty}
+                    disabled={!selectedLotLine || !targetLocation || validatedTransferQty < 1 || validatedTransferQty > originalQty}
                 >
                     {t("Submit")}
                 </Button>