Fangrui Product Details 1. Dt8018 Non-contact Forehead Body Infrared Thermometer, Temperature Range: 32.0 Degree C - 42.5 Degree C 2. Features 3. Non-contact And With A High Accuracy Of Measurement. 4. Providing Two Temperature Modes,fahrenheit Scale And Celsius Scale,for Selection. 5. Providing The Function Of Sound Notification Of High Body Temperature. 6. Over-range Indication: Lcd Display "hi" Or "lo". 7. Providing The Function Of Saving The Date And Auto Turn Off. 8. Providing The Function Of Auto Selection The Range, Lcd Display Resolution:0.1 Degree C(0.1 Degree F). 9. Backlight Lcd Digital Display. 10. Operating Temperature: 10 - 40 Degree Celsius, And Do Not Put It In The Environment Temperature That Under 0 Degree Celsius Or Obove 50 Degree Celsius. 11. Specification: 12. Measurement Accuracy: 13. 0 Degree C - 35.9 Degree C (93.2 Degree F-96.6 Degree F): -+0.3 Degree C (0.5 Degree F) 14. 0 Degree C - 39.0 Degree C (96.8 Degree F-102.2 Degree F): -+0.2 Degree C (0.4 Degree F) 15. 0 Degree C - 42.0 Degree C (102.3 Degree F-107.6 Degree F): -+0.3 Degree C (0.5 Degree F) 16. Measuring Distance: 5-15cm 17. Body Temperature Mode: 32.0 Degree C - 42.0 Degree C 18. Auto Power Off: About 7 Seconds 19. Power: 9v Battery (not Included)