Automatic spray sterilizer

#include <SR04.h>
#include <SoftwareSerial.h>
//#include <Servo.h>
#define EN 2
long dis1;
int val = 0;
SR04 sr04 = SR04(12, 13);//eco tri

void setup() {
  pinMode(EN, OUTPUT);
  Serial.begin(9600);
  while (!Serial) {
    ;
  }
 }

void loop() { // run over and over
  dis1 = sr04.Distance();
  Serial.print(dis1);
  Serial.print("\n");
  if (dis1>= 6&&dis1<=120 ) 
  {
      digitalWrite(EN, HIGH);
      delay(500);
      digitalWrite(EN, LOW);
      delay(100);
      
          }
  if(dis1>120 )
   {
     digitalWrite(EN, LOW);
     delay(10);}
    
}