Features Of Infrared Ear Thermometer1. Can test Ear Temperature2. test Forehead Temperature3.Test room temperature4.Time Clock5 Switchable °C and °FSpecifications of 4 in 1 Infrared ThermometerSound Alarm: Fever Alarm or Beep Alarm when System Problems Happened.Unit: °C/°Fcan be Changed by Pressing Button.Test Mode: Non-contact Testing Ear/Forehead/Room TemperatureTesting distance : 0-2cmMeasure Time: One Second.Auto Shut-off: 60 Seconds without OperationBattery: CR2032×1Battery Life: Appro.1，000 Times， Inspect Low Voltage of Battery any Time.Standards:CE，ROHS，FCC