Fangrui Product Details 1. Wintact Wt3652 Non-contact Infrared Thermometer Temperature Measuring Machine 2. Three-color Backlight Heating Reminder 3. Two Measurement Modes 4. Automatic Shutdown After 20 Seconds Without Operation 5. Heat Alarm Point Can Be Set 6. Temperature Correction 7. Store Up To 32 Sets Of Measurement Data 8. With Silent Mode 9. Support Switching Between Celsius And Fahrenheit 10. This Non-contact Infrared Thermometer Determines The Surface Temperature Of An Object By Measuring The Infrared Energy Radiated From The Surface Of The Object 11. Non-contact Forehead Electronic Clinical Thermometer, Specially Designed For Human Forehead Temperature 12. Measuring Range Of Body Temperature: 32-43 Degrees Celsius 13. Measuring Range Surface Temperature: 0-100 Degrees Celsius 14. Display Accuracy: 0.1 Degrees Celsius 15. Measuring Distance: 1-10cm 16. Response Time: 1 Second 17. Response Wavelength: 5-14um 18. Surface Temperature Emissivity: 0.99 19. Shutdown (sleep) Time: 20s After No Operation 20. Battery: Dc 3v (aaa*2 Battery) (battery Not Included) 21. Dimensions: 89.18x44.72x148mm 22. Weight: 110g