Resistant material: Made of high-quality ABS material, it will have a heavy-duty performance. The ergonomic design makes it easy to use, even for children. Accurate and Reliable: Accurate and reliable readings with a very small margin of error, giving you an effective temperature reference. Fast Read: Non-Contact Forehead Temperature Gun has a fast readout of object temperature, instantly read and displayed at the flick of a switch Multimode: The forehead temperature gun is available in both Fahrenheit and Celsius, with the option to measure the temperature of the surface or interior of the object. Early warning and storable: three temperature thresholds for normal, fever and high fever are indicated by three colored lights and alarms. You can also save the taken values.