Change I2C-address of the srf08 with arduino

Ok. I have it. Thank you for your help!

#include <Wire.h>

#define oldad 0x70
#define newad 0xE4

void setup() {

  Wire.begin();
  
  delay(100);

    Wire.beginTransmission(oldad);
    Wire.write(0x00);
    Wire.write(0xA0);
    Wire.endTransmission();
    delay(60);
    
    Wire.beginTransmission(oldad);
    Wire.write(0x00);
    Wire.write(0xAA);
    Wire.endTransmission();
    delay(60);
    
    Wire.beginTransmission(oldad);
    Wire.write(0x00);
    Wire.write(0xA5);
    Wire.endTransmission();
    delay(60);
    
    Wire.beginTransmission(oldad);
    Wire.write(0x00);
    Wire.write(newad);
    Wire.endTransmission();

}
  
void loop(){
}