diff --git a/app/src/main/java/club/clubk/ktag/konfigurator/Device.kt b/app/src/main/java/club/clubk/ktag/konfigurator/Device.kt
index a07886d..e715e5f 100644
--- a/app/src/main/java/club/clubk/ktag/konfigurator/Device.kt
+++ b/app/src/main/java/club/clubk/ktag/konfigurator/Device.kt
@@ -2,6 +2,8 @@ package club.clubk.ktag.konfigurator
 
 import java.util.UUID
 
+const val EDIT_DELAY_TIME: Long = 3L
+
 sealed class DeviceState {
     data object Configurable : DeviceState()
     data object Ready : DeviceState()
@@ -16,24 +18,44 @@ sealed class DeviceConfigureState {
     data object Failure: DeviceConfigureState()
 }
 
+enum class DeviceParameter {
+    PLAYER_ID, TEAM, SECONDARY_COLOR, MAX_HEALTH, SPECIAL_WEAPONS
+}
+
 data class Device(val uuid: UUID = UUID.randomUUID(),
                   var name: String = "Unknown Device",
                   var address: String = "00:00:00:00:00:00",
                   var deviceType: UInt? = null,
                   var deviceState: DeviceState? = null,
-                  var deviceConfigureState: DeviceConfigureState = DeviceConfigureState.Discovered,
-                  // All configurable variables have their own dirty flag
-                  var playerID: UInt? = null,
-                  var dirtyPlayerID: Boolean = false,
-                  var team: UInt? = null,
-                  var dirtyTeam: Boolean = false,
-                  var secondaryColor: UInt? = null,
-                  var dirtySecondaryColor: Boolean = false,
-                  var maxHealth: UInt? = null,
-                  var dirtyMaxHealth: Boolean = false,
-                  var specialWeapons: UInt? = null,
-                  var dirtySpecialWeapons: Boolean = false
+                  // All configurable variables
+                  private var _playerID: UInt? = null,
+                  private var _team: UInt? = null,
+                  private var _secondaryColor: UInt? = null,
+                  private var _maxHealth: UInt? = null,
+                  private var _specialWeapons: UInt? = null
     ) {
+    var deviceConfigureState: DeviceConfigureState = DeviceConfigureState.Discovered
+        private set
+
+    var dirtyPlayerID: Boolean = false
+        private set
+    var dirtyTeam: Boolean = false
+        private set
+    var dirtySecondaryColor: Boolean = false
+        private set
+    var dirtyMaxHealth: Boolean = false
+        private set
+    var dirtySpecialWeapons: Boolean = false
+        private set
+
+    var lastEditTime: Long = 0L
+        private set
+
+    val playerID: UInt? get() = _playerID
+    val team: UInt? get() = _team
+    val secondaryColor: UInt? get() = _secondaryColor
+    val maxHealth: UInt? get() = _maxHealth
+    val specialWeapons: UInt? get() = _specialWeapons
 
     fun deviceTypeName(): String {
         return when(deviceType) {
@@ -55,7 +77,33 @@ data class Device(val uuid: UUID = UUID.randomUUID(),
     }
 
     fun isPastEditTime(): Boolean {
-        return false
+        return System.nanoTime() - lastEditTime!! >= EDIT_DELAY_TIME
+    }
+
+    fun setParameter(parameter: DeviceParameter, value: Any) {
+        lastEditTime = System.nanoTime()
+        when (parameter) {
+            DeviceParameter.PLAYER_ID -> {
+                _playerID = value as UInt
+                dirtyPlayerID = true
+            }
+            DeviceParameter.TEAM -> {
+                _team = value as UInt
+                dirtyTeam = true
+            }
+            DeviceParameter.SECONDARY_COLOR -> {
+                _secondaryColor = value as UInt
+                dirtySecondaryColor = true
+            }
+            DeviceParameter.MAX_HEALTH -> {
+                _maxHealth = value as UInt
+                dirtyMaxHealth = true
+            }
+            DeviceParameter.SPECIAL_WEAPONS -> {
+                _specialWeapons = value as UInt
+                dirtySpecialWeapons = true
+            }
+        }
     }
 
     fun checkForDirt() {
@@ -63,4 +111,22 @@ data class Device(val uuid: UUID = UUID.randomUUID(),
             return
         }
     }
+
+    fun getDirtyParameters(): List<DeviceParameter> {
+        val changed = mutableListOf<DeviceParameter>()
+        if (dirtyPlayerID) changed.add(DeviceParameter.PLAYER_ID)
+        if (dirtyTeam) changed.add(DeviceParameter.TEAM)
+        if (dirtySecondaryColor) changed.add(DeviceParameter.SECONDARY_COLOR)
+        if (dirtyMaxHealth) changed.add(DeviceParameter.MAX_HEALTH)
+        if (dirtySpecialWeapons) changed.add(DeviceParameter.SPECIAL_WEAPONS)
+        return changed
+    }
+
+    fun clearDirt() {
+        dirtyPlayerID = false
+        dirtyTeam = false
+        dirtySecondaryColor = false
+        dirtyMaxHealth = false
+        dirtySpecialWeapons = false
+    }
 }