Description:The wall-mount non-contact infrared thermometer can meaure temperature within 2-4 inch distance from forehead,more healthy and safe.When the temperature is over the normal temperature value,The non-contact digital thermometer will display a red light and make a sound that will let you know whether has a fever,and this temperature can show readings in Celsius or Fahrenheit.Infrared measuring range:0℃~50℃ Feature: Non-contact Thermometer:The non-contact infrared thermometer can meaure temperature within 2-4 inch distance from forehead,more healthy and safe. Abnormal Temperature Alarm:If temperature exceeds normal temperautre value,The non-contact digital thermometer will display a red light and make a sound that will let you know whether has a fever, otherwise it will only show a green light and its temperature ºC and ºF Reading:Accurate Temperature Measurement.This forehead thermometer can show readings in Celsius or Fahrenheit.Infrared measuring range:0℃~50℃ 2 Measurement Mode:Long press mode switch hole for 3s to switch to the temperature measurement mode,surface mode,object mode.suit for families, Office,hotels, libraries, enterprises and institutions, schools Easy Installation:This infrared thermometer is very easy to mount on the wall using nails, hooks, double-sided adhesive tape, or brackets Specification: Screen: LCD Digital Display Response time: 0.5s Testing Accuracy: ±0.2 degrees Charging Method: USB charging or 18650 Lithium battery(Battery not include) Infrared measuring range: 0～50℃ Automatic alarm: Red light flashing +“Di Di” sound. Automatic measurement: measuring distance 5cm-10cm Package Include: 1X Infrared Thermometer 1X USB Charging Cord 1X User Manual 1X Bag of Screw