diff --git a/app/src/main/java/com/artemchep/pocketmode/ui/activities/MainActivity.kt b/app/src/main/java/com/artemchep/pocketmode/ui/activities/MainActivity.kt
index a191dec..a85fc7c 100644
--- a/app/src/main/java/com/artemchep/pocketmode/ui/activities/MainActivity.kt
+++ b/app/src/main/java/com/artemchep/pocketmode/ui/activities/MainActivity.kt
@@ -7,7 +7,6 @@ import android.util.TypedValue
 import android.view.View
 import android.widget.SeekBar
 import androidx.browser.customtabs.CustomTabsIntent
-import androidx.core.graphics.ColorUtils
 import androidx.core.net.toUri
 import androidx.core.view.*
 import androidx.lifecycle.Observer
@@ -26,6 +25,7 @@ import com.artemchep.pocketmode.models.Proximity
 import com.artemchep.pocketmode.ui.activities.base.BaseActivity
 import com.artemchep.pocketmode.util.ObserverConsumer
 import com.artemchep.pocketmode.viewmodels.MainViewModel
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 
 
 /**
@@ -426,7 +426,16 @@ class MainActivity : BaseActivity(),
             R.id.labBtn -> mainViewModel.openLab()
             R.id.moreAppsBtn -> mainViewModel.openApps()
             // Permissions
-            R.id.accessibilityServiceBtn -> mainViewModel.grantAccessibilityService()
+            R.id.accessibilityServiceBtn -> MaterialAlertDialogBuilder(this)
+                .setTitle(R.string.access_accessibility_service_dialog_text)
+                .setMessage(R.string.access_accessibility_service_dialog_text)
+                .setNegativeButton(R.string.access_accessibility_service_dialog_no, null)
+                .setPositiveButton(
+                    R.string.access_accessibility_service_dialog_yes,
+                ) { _, _ ->
+                    mainViewModel.grantAccessibilityService()
+                }
+                .show()
             R.id.callStateBtn -> mainViewModel.grantCallState()
         }
     }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index da54fa8..a4100a2 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -15,6 +15,10 @@
 
     <string name="access">Permissions</string>
     <string name="access_accessibility_service">Pocket Mode uses accessibility service to send the command that locks the screen. Tap to grant accessibility service privileges</string>
+    <string name="access_accessibility_service_dialog_title">How do we use accessibility service</string>
+    <string name="access_accessibility_service_dialog_text">Pocket Mode uses accessibility service to send the command that locks the screen. Without it locking the screen would require a PIN code on each unlock, ruining the user experience.</string>
+    <string name="access_accessibility_service_dialog_no">Close</string>
+    <string name="access_accessibility_service_dialog_yes">Enable accessibility service</string>
     <string name="access_runtime_call_state">Pocket Mode reads call state to not turn screen off while call is active. Tap to grant call state privileges</string>
     <string name="access_overlays">Pocket Mode can draw overlay on top of the user apps to show user that the proximity sensor is covered.</string>