Description: Non-contact and Accurate: The infrared temperature measurement ensures non-contact measurement, convenient and easy, avoiding cross infection, 0.5s fast testing with error precision controlled within 0.1-0.2C. Alarm Warning: When the temperature is over 37.3C, LCD display screen with flash and produce prompt alarm sound, reminding the abnormal situation right now. 13 languages voice reporting. Unite switchable: Easily switch between Celsius and Fahrenheit, powered by 3 AA batteries (not included) or USB cable. Easy installation: You can fix it on a tripod with the screw hole, or nail / hook hanging onto wall, or stick to wall with adhesive tape. Application: Widely uses for train station, bus stations, schools, supermarket, theaters, companies, factories or other crowded places. Specification: Color: White Material: Plastic Accuracy of measurement: 0.2C Response Time: 0.5s Temperature Unit: C/F Alarm Function: Flash+sound alarm for about 10 seconds Measurement distance: 5cm-20cm Power supply: BL-5C 1000mAh polymer battery (Not Included) Working temp: 10C-40C(Recommended 15 C~35 C) Temp measurement range: 34- C Thirteen languages report (Chinese, English, Korean, Japanese, Russian, Portuguese,Italian, French, German, Spanish, Arabic, Hebrew, Thai ) Product size: approx.96x165mm/3.78x6.50inch Package Includes: 1 Piece Infrared Thermometer (including USB cable, adhesive tape and manual instruction) Note: Transition: 1cm=10mm=0.39inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!