diff --git a/M2/M2.ino b/M2/M2.ino
index 9cb58af..22471b2 100644
--- a/M2/M2.ino
+++ b/M2/M2.ino
@@ -220,12 +220,13 @@ void writeScreenData(dataMode DATA_MODE, screenMode COLOR_MODE, String data){
     M5.Lcd.drawString("...", 148, 100, 4);
   }
   if(DATA_MODE != STOP){
-   /* if(COLOR_MODE == DARK) {
+   if(COLOR_MODE == DARK) {
       M5.Lcd.fillRect(132,116,64,64,COLORS[LIGHT]);
     } else {
       M5.Lcd.fillRect(132,116,64,64,COLORS[DARK]);
-    }*/
+    }
     M5.Lcd.drawString(data, 132, 128, 4);
+    delay(80);
   }
 }
 
@@ -239,7 +240,7 @@ void loop() {
     stringReceived += c;
 
     if(DATA_MODE != RAW){
-      if (stringReceived.length() >= 3) {
+      if (stringReceived.length() == 3) {
         Serial.println("s:"+stringReceived);
         valueReceived = stringReceived.toInt();
         Serial.println(valueReceived);      
@@ -247,7 +248,7 @@ void loop() {
         valueReceived= 0;
       }
     }else {
-      if (stringReceived.length() >= 8) {
+      if (stringReceived.length() == 8) {
         Serial.println("s:"+stringReceived);
         valueReceived = stringReceived.toInt();
         Serial.println(valueReceived);