SEN0395 OUTPUT HELP

#include <SoftwareSerial.h>

#include "DFRobot_mmWave_Radar.h"

SoftwareSerial mySerial(3, 2);
DFRobot_mmWave_Radar sensor(&mySerial);

int ledPin = 13;

void setup()
{
  Serial.begin(115200);
  mySerial.begin(115200);
  pinMode(ledPin, OUTPUT);

  sensor.factoryReset();    //Restore to the factory settings 
  sensor.DetRangeCfg(0, 9);    //The detection range is as far as 9m
  sensor.OutputLatency(0, 0);
}

void loop()
{
  int val = sensor.readPresenceDetection();
  digitalWrite(ledPin, val);
  Serial.println(val);
}