Arduino - Sensor Light With and Led

int led = 13;
void setup() {

  Serial.begin(9600);
  pinMode (led,OUTPUT);
}


void loop() {

  int sensorValue = analogRead(A0);
  float voltage = sensorValue * (5.0 / 1023.0);
  Serial.print("Valore: ");
  Serial.println(voltage);
  delay (400);

  if (voltage > 2.00); Serial.println ("Led Spento");
  if (voltage > 2.00); digitalWrite (led,LOW);

  if (voltage < 1.80)  Serial.println ("Led Acceso");
  if (voltage < 1.80)  digitalWrite (led,HIGH);


}