diff --git a/proximity/monitor.c b/proximity/monitor.c
index d068142..537e389 100644
--- a/proximity/monitor.c
+++ b/proximity/monitor.c
@@ -59,6 +59,7 @@ struct monitor {
 	GAttrib *attrib;
 	struct enabled enabled;
 	char *linklosslevel;		/* Link Loss Alert Level */
+	char *immediatelevel;		/* Immediate Alert Level */
 };
 
 static inline int create_filename(char *buf, size_t size,
@@ -211,6 +212,29 @@ static DBusMessage *set_link_loss_alert(DBusConnection *conn, DBusMessage *msg,
 	return dbus_message_new_method_return(msg);
 }
 
+static DBusMessage *set_immediate_alert(DBusConnection *conn, DBusMessage *msg,
+						const char *level, void *data)
+{
+	struct monitor *monitor = data;
+	const gchar *path = device_get_path(monitor->device);
+
+	if (!g_str_equal("none", level) && !g_str_equal("mild", level) &&
+			!g_str_equal("high", level))
+		return btd_error_invalid_args(msg);
+
+	if (g_strcmp0(monitor->immediatelevel, level) == 0)
+		return dbus_message_new_method_return(msg);
+
+	g_free(monitor->immediatelevel);
+	monitor->immediatelevel = g_strdup(level);
+
+	emit_property_changed(conn, path, PROXIMITY_INTERFACE,
+					"ImmediateAlertLevel",
+					DBUS_TYPE_STRING, &level);
+
+	return dbus_message_new_method_return(msg);
+}
+
 static DBusMessage *get_properties(DBusConnection *conn,
 					DBusMessage *msg, void *data)
 {
@@ -259,16 +283,23 @@ static DBusMessage *set_property(DBusConnection *conn,
 
 	if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
 		return btd_error_invalid_args(msg);
+
 	dbus_message_iter_recurse(&iter, &sub);
 
-	if (g_str_equal("LinkLossAlertLevel", property)) {
-		if (monitor->enabled.linkloss == FALSE)
-			return btd_error_not_available(msg);
+	if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING)
+		return btd_error_invalid_args(msg);
+
+	dbus_message_iter_get_basic(&sub, &level);
 
-		if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING)
-			return btd_error_invalid_args(msg);
+	if (g_str_equal("ImmediateAlertLevel", property)) {
+		if (monitor->enabled.findme == FALSE &&
+				monitor->enabled.pathloss == FALSE)
+			return btd_error_not_available(msg);
 
-		dbus_message_iter_get_basic(&sub, &level);
+		return set_immediate_alert(conn, msg, level, data);
+	} else if (g_str_equal("LinkLossAlertLevel", property)) {
+		if (monitor->enabled.linkloss == FALSE)
+			return btd_error_not_available(msg);
 
 		return set_link_loss_alert(conn, msg, level, data);
 	}
@@ -294,6 +325,7 @@ static void monitor_destroy(gpointer user_data)
 
 	btd_device_unref(monitor->device);
 	g_free(monitor->linklosslevel);
+	g_free(monitor->immediatelevel);
 	g_free(monitor);
 }