The DET-306 infrared digital thermometer - non-contact - provides the measurement result in approximately 1-2 seconds. Features Takes forehead or object temperatures Fahrenheit or Celsius Scales 10 reading memory Audio signal for temperatures over 37.8 C (100 F) Records time and date Operates on 2 AAA batteries Infrared technology is easier to use, hygienic and reliable, as it is highly accurate. In addition, it can be used to measure the temperature of objects.