High-definition display, Wall-Mounted Body Thermometer can be stationed in offices, supermarkets, shops, restaurants, apartments, hotels, train stations, community centers, and building entrances. 1S fast temperature measurement within 2-4 inches. Non-contact infrared measurement, while avoiding cross infection. A green light will indicate that their temperature is within a normal range and a flashing red light and audible alarm will indicate that the person has a high temperature when the temperature is over high>37.5℃ or 99.5 ℉. No need to hold, can be hung / double-sided adhesive tape / bracket fixed. ℃ and ℉ of this infrared thermometer for humans are easily switchable. Pressing the button to switch it. Can be connected to USB power, charging treasure, self-installed a 18650 lithium battery (NOT INCLUDE) Dimension: 140*93*93mm / Weigh 150g