Features: Set temperature warning and record multiple temperature test results. Non contact type is convenient and sanitary. Press the measurement key at 3-5cm away from the forehead. Accurate Measurement: With built-in infrared technology, it gives you the precision to measure the body temperature within 5cm. Imported sensor and advanced IR temperature measurement technology, no radiation, safe and precise measurement, accurate reading in two seconds. Strong adaptability to ambient temperature. LCD large screen, easy to read. Convenient Memory Features —This product can store up to 32 set of recently measured values, and values more than these 32 sets are automatically overwritten in chronological order. Automatic shutdown saves power and energy. Two temperature units for conversion: Fahrenheit or Celsius.