diff --git a/app/src/main/kotlin/com/cyb3rko/flashdim/modals/IntervalDialog.kt b/app/src/main/kotlin/com/cyb3rko/flashdim/modals/IntervalDialog.kt
index 49876db..8a429e5 100644
--- a/app/src/main/kotlin/com/cyb3rko/flashdim/modals/IntervalDialog.kt
+++ b/app/src/main/kotlin/com/cyb3rko/flashdim/modals/IntervalDialog.kt
@@ -105,7 +105,7 @@ internal object IntervalDialog {
         mode = 1
         binding.numberInputLayout.setHint(R.string.dialog_interval_input_hint2)
         binding.numberInputLayout.suffixText = null
-        binding.numberInputLayout.counterMaxLength = 3
+        binding.numberInputLayout.counterMaxLength = 5
         binding.numberInputText.setText(bpm)
     }
 
@@ -117,7 +117,7 @@ internal object IntervalDialog {
         validateBpm(input)
     }
 
-    private fun validateTime(time: String) = time.toInt() in 200..10000
+    private fun validateTime(time: String) = time.toInt() in 1..10000
 
-    private fun validateBpm(bpm: String) = bpm.toInt() in 10..200
+    private fun validateBpm(bpm: String) = bpm.toInt() in 1..10000
 }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 55032ab..ca06c3d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -12,8 +12,8 @@
     <string name="dialog_morse_button">Flash</string>
     <string name="dialog_interval_title">Interval Flash</string>
     <string name="dialog_interval_seizure_warning">⚠️ <b>Seizure Warning</b>: Flashing light</string>
-    <string name="dialog_interval_input_hint1">Interval time (200–10000ms)</string>
-    <string name="dialog_interval_input_hint2">Beats per minute (10–200)</string>
+    <string name="dialog_interval_input_hint1">Interval time (1–10000ms)</string>
+    <string name="dialog_interval_input_hint2">Beats per minute (1–10000)</string>
     <string name="dialog_interval_error">Value not allowed</string>
     <string name="dialog_interval_group_button1">Time</string>
     <string name="dialog_interval_group_button2">BPM</string>