Features: Widely Used: Infrared Forehead Wall Mounted Thermometer can be stationed in school, offices, shops, hotels, train stations, community centers. Non Contact & degrees Celsius / degrees Fahrenheit are easily switchable: Non-contact infrared measurement, no need to hold hands to avoid cross infection. and of this infrared thermometer for humans are easily switchable. Press mode switch hole then select degrees Celsius / degrees Fahrenheit. Accurate Readings &Alarm Function: 1S fast temperature measurement within 0.39-3.94 inches. 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 . 2 Ways of Power Source & 2 Installation Method: Can be connected to USB power, charging treasure, self-installed a battery. Can be hung / double-sided adhesive Accurate Readings & LCD Display: its'accuracy: plus or minus 0.4, Have stable and accurate readings, and the Digital Infrared forehead thermometer with the large LCD display screen. NON-Contact Wall-mounted Digital Thermometer The body temperature can be obtained quickly without requiring physical contact from healthcare workers, ensuring the safety of the owner, and it is safer than a hand-held forehead thermometer. Suitable for installation at the door or wall of the Offices, Factories, Shops, Schools, Restaurants, Super Market, Mall, Cinemas, Airports, Rail Station Entrances, and Other High-Density Areas. Instast Results and Accurate Readings Our thermometer accurately measures the temperature due to our new upgraded chip. 1S fast temperature measurement within 0.39-3.94 inches. Alarm Function The display will show together with red LED indicator and 10 short beeps when someone gets a temperature higher than 99.5° F (37.5°C) and <109.4° F (43°C). Our thermometer allows to identify instantly the user with fever-grade temperatures and all without a need of contact with the infected user. No Contact & No need to hold The Wall-Mounted Infrared thermometer allows non-contact testing which helps avoid cross-infections among testers as well as eliminates the need of a healthcare worker. degrees Celsius / degrees Fahrenheit Switch The thermometers can be easily switched from Celsius to Fahrenheit. You can simply press the button on the bottom of the device with a one 2mm stick in order to change the degree measurement. 2 Ways to Power the Thermometer It can be connected to USB power, charging treasure, It comes with a Type-C cable. If your outlet does not have a USB port, you need to get a USB port (USB plug adapter is not included in the package.) As long as you keep the cable plugged in, you do not need a battery, because if you stick it on the wall, it will be troublesome to replace the battery.(Batteries is not included in the package.) Easy to Install You can use included double sided adhesive tape to place your thermometer anywhere you would like: wall, mirror, glass wall etc.