diff --git a/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt b/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
index c83e41b..0c99f1b 100644
--- a/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
+++ b/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
@@ -173,6 +173,7 @@ object Constants {
 
     const val KIT_NUMBER = "KitNumber"
     const val KIT_COUNT = "KitCount"
+    const val KIT_CAPACITY = 35
     const val BUFFER_VALUE_1 = "BufferValue1"
     const val BUFFER_VALUE_2 = "BufferValue2"
     const val BUFFER_VALUE_3 = "BufferValue3"
diff --git a/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt b/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt
index 4aafcc7..5118148 100644
--- a/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt
+++ b/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt
@@ -271,7 +271,7 @@ class KitScanActivity : AppCompatActivity(), IDcsSdkApiDelegate {
         return sharedPreference.getString(Constants.KIT_NUMBER, "")
             ?.isNotBlank() == true && sharedPreference.getInt(
             Constants.KIT_COUNT, 0
-        ) > 0 && sharedPreference.getInt(Constants.KIT_COUNT, 0) < 35
+        ) > 0 && sharedPreference.getInt(Constants.KIT_COUNT, 0) < Constants.KIT_CAPACITY
     }
 
     private fun isSerialValid(s: String): Boolean {