?Multifunction digital thermometer? The non-contact thermometer can take the temperature of the room / object / liquids. It uses infrared technology and can display readings in Celsius (?) or Fahrenheit (?). ?Fever Alarm & Memory Function? This infrared thermometer can save up to 40 temperature readings and recall them at any time to better track changes in body temperature. And it is equipped with a fever warning system. If 37.6 ° C ? T ? 38.0 ° C, the orange light is displayed, warning you that you may have a low fever. If 38.1 ° C ? T ? 42.9 ° C, the red light will appear and warn you that you may have a high fever. ?LCD display, precise reading and mute mode? LCD display of this infrared front thermometer helps you to read temperatures directly at night without turning on the light. Fast measurement with instant readout in 1 second. Switch to silent mode and get body temperature without worrying about waking your baby. ?Non-contact measurement? This non-contact forehead thermometer is specially designed to take the temperature of the human body at a distance of 0-3cm (0-1.18inch) from the forehead. Avoiding direct contact with the skin makes the measurement process safer and healthier. ?4 in 1 forehead and ear thermometer? You can take the temperature of child and adult forehead, ear, and also object with this non-contact thermometer. It applies to both professional and home use.