Contactless & touch free for extra protection, distance range of up to ~6 inches, fever alarm sounds off for temperatures>37.5℃ or 99.5 ℉ Rapid fast, 0.5 second response; highly accurate infrared sensor technology; readings with margin of error ±0.2 Easily switch between Celsius and Fahrenheit w/ push of button; powered by 3 AA batteries (not included) or USB cable (included) Multi-use, reads body temperatures of children/adults; also can be used as thermostat, reading outdoor ambient temperature Versatile mounting options: mount w/ screws & anchors (included) or double-sided tape (included), also compatible w/ most tripod stands
