Household IR Thermometer:Temperature Range Body:32.0°C-42.9°C(89.6°F-109.2°F)Object:0°C-100°C(32°F-212°F)Precision Bod y :±0.2°C/0.4°F 35.5°CResolution:0.1°C/0.1°FOperating conditions Body:10.0°C-40.0°C(50.0°FStorage conditions -25.0°C-55.0°C (-13.0°F-131.0°F)Battery 1x3V CR2032 button battery (not include)Method of temperature measurement:When puton the probe cover and the LCD displays ， it enters into forehead test mode， when take off the probe cover， it enters intoear test mode.1)method of forehead temperature measurement.Weh powered on， place the device on a temple， Press the“Power/Scan” button and keep it pressed down， Keeping the probe coverin contact with the skin， scan it across the forehead from onetemple tothe other for 2-3 seconds， Release the “Power/Scan”button， then the device emits a sound“be” the test iscompleted.2)Method of ear temperature measurementWhen powered on， Place the probe in ear where you feelcomfortable， Press the “Power/Scan” button once， then the device emits a sound“be”， the test is completed.3)method of object temperature measurement.When puton the probe cover and the LCD did not displays ，it enters into object test modeWhen Powered on， place the device near an object within 1cm，Press the “Power/Scan” button and keep it pressed down， scan it for 2-3 seconds，Release the “Power/Scan”button， then the device emits a sound“be” the test is completed.Package contents:1 x Infrared Thermometer1 x Stand