Digital 10-50C Battery PVC Non-Contact Infrared Thermometer

non-contact infrared thermometer
measurement distance :3 to 5 cm(1.2~2 inch)
response time: 1 second
resolution: 0.1℃
measurement mode range &  change of lcd backlit:
body mode(forehead): 32℃-42.9℃(89.6℉-109.2℉)
normal temp. : lcd will show in green backlit
high fever alarm: lcd will show in red backlit & beep for 5 times when the sound is on(temp. Between 38℃/100.4℉-42.9℃/109.2℉ will show in digits,over that will show the notice"hi")
low fever alarm: temp. Between 37.4℃/99.3℉-37.9℃/100.2℉,lcd will show in orange backlit & beep for 5 times when the sound is on
low temp. Alarm: lcd will show in green backlit same as normoal temp. But show in notice "lo" 
surface mode:0℃-60℃(32℉-140℉) lcd will show green backlit in normal temp.and notice"lo" when below 0℃.
room mode:10℃-40℃(50℉-104℉):lcd will show in green backlit all the time.
temp. Unit: ℃ or  ℉
basic accuracy:+/- 0.1℃~0.3℃
other functions: 32 units of testing record / calibration /  fever alarm / low battery indication.
power: aa battery * 2(power off automatically after 30 seconds of no use)