Fangrui Product Details 1. K3 Pro Handsfree Non-contact Forehead Body Light-sensitive Distance Sensor Infrared Thermometer, 2.8 Inch Lcd Display Screen 2. Features 3. Non-contact, No Need To Hold, To Avoid Cross Infection. 4. Using New Chip, The Induction Time Is Faster (0.5s), The Pass Rate Is Greatly Improved (50 People Min). 5. High Temperature Measurement Accuracy: +-0.2 (34~45 Degree C). 6. With Warning Light For Detection Failure And Abnormal Temperature. 7. Can Be Connected To Usb Power Supply, Charging Treasure, 4 Aa Batteries(not Included). 8. High-definition Lcd Display, 5 Meters Viewing Distance. 9. Intelligent Photosensitive Forehead Thermometer, Can Be Nail Hooked Bracket Fixed, Etc. 10. We Have Opened Up New Markets Beyond Handheld Thermometers And Thermal Imaging Temperature Measurement Doors. 11. Can Be Applied In Different Occasions. Office Subway Family Superstore Shop Community Entrance Etc. 12. Support Real-time Temperature Data Export Function And Data Query Function When Connected To Computer. 13. Supports Storage Function, Storing 30 Sets Of Measurement Data. 14. Support Io Signal Output, Switch Signal Pulse Signal. 15. Support Setting Five Levels Of Volume. 16. Support Setting Backlight Switch. 17. Support To Set The Upper Limit Of 37-38 Degree C Alarm. 18. Support Voice Broadcast, Body Mode Broadcast: "normal" "abnormal". Surface Mode Broadcast: Measuring Temperature Data. 19. Photosensitive Distance Sensor, Under Non-strong Light, Supports Outdoor Measurement, Better Than Ordinary Infrared Sensor. 20. Continuously Refresh The Measured Environment Temperature And Display It Continuously On The Screen. 21. Support Automatic Standby And Shutdown State, Ultra-low Power Consumption Value. 22. Specifications 23. Measurement Techniques: No Contact On Forehead Of Infrared Thermometer 24. Method Of Measurement: Sensitivity Sensor Distance Sensor 25. Temperature Unit: Degree C Degree F 26. Accuracy: +-0.2 (34~45 Degree C) 27. Measuring Distance: 5 ~ 10 Cm 28. Display: 2.8-inch