Advanced IR temperature measurement technology, no radiation, safe and precise, useful tool to track the changes of temperatures. Features: Precisely measure the temperature of body, water, milk and room. The body temperature measurement range is 32~42.9℃ and that of surface is 0~100℃. The infrared thermometer measuring distance is 3~5cm/1.18~1.97inch, no need to touch skin and prevent cross infection effectively. Large LCD screen provides clear and easy reading, the 2 backlight colors(green and red) can better indicate healthy status. The thermometer is powered by 2 * AAA batteries(NOT included), it can power off automatically after 30 seconds of idle operation. Up to 32 values can be stored for better tracking the changes of temperature. If necessary, long press the setting key to switch f1-f5 setting, users can change lacal settings to suit their own applicable habits. Code F1: Temperature Deviation Setting; F2: Fever Alarm Setting; F3: Setting of Temperaute Unit; F4 Backlight ON/OFF. Specifications: Resolution: 0.1℃/0.1F Measuring range: 32.0-42.9℃ Measuring distance: 3-5cm Measuring time: 0.5s Precision: 35.0~42.0℃, 土0.2℃ Memory: 32 sets of measurement data Automatic shutdown: 30s Operating conditions: temperature16C~35℃; humidity RH≤85%, atmospheric pressure 7okpa-106kpa Power supply: DC30V(2X" battery) Package weight:155g/5.5oz Package size: 170*110*45mm/6.7*4.3*1.8in Packing List: 1*Thermometer