Fangrui Product Details 1. Wintact Wt326a Portable Infrared Thermometer, Measuring Range: -50 To 400 Degrees Celsius 2. This Infrared Thermometer Is Used For Measuring The Temperature Of The Object's Surface, Which Is Applicable For Various Hot, Hazardous Or Hard-toreach Objects Without Contact Safely And Quickly. 3. Parameters 4. Temperature Range: -50 To 400 Degrees Celsius (-58-752 Degrees Fahrenheit) 5. Accuracy: Less Than 0 Degrees Celsius(32 Fahrenheit) : +-3 Degrees Celsius(+-5 Fahrenheit), More Than 0 Degrees Celsius(32 Fahrenheit) : +-1.5 Degrees Celsius(+-2.7 Fahrenheit) Or+-1., Whichever Is Greater 6. Repeatability: Rdg Or 1 Degrees Celsius Whichever Is Greater 7. Response Time: 0.5s, Response 8. Emissivity: 0.10~1.00 Adjustable(preset As 0.95) 9. D:s: 12:1 10. Response Wavelength: 5um~14um 11. No Operation Shutdown: About 7 Seconds 12. Batteries: 1.5v Aaabattery X 2(not Included) 13. Low Power Indicator: Low Power Indicator For Power Below 2.5v 14. Overload Indicator: "hi""lo" Displayed On Lcd 15. Exceed Upperlower Limits Of Work Environment: "ah""al"displayed On Lcd 16. Working Environment Temperature: 0~40 Degrees Celsius(32~104fahrenheit) 17. Storage Temperature: -10~60 Degrees Celsius(14~140fahrenheit)