TH01A/TH01B Digital Infrared Laser Thermometer Temperature Sensor Gun Do Not Fit With Thermometre -50 - 600C Pyrometer With SensorTH01A Measuring Range:-50 °C To 0 °C(-58 °F To 32 °F): ± 3 °C0 °C To 400 °C(32 °F To 752 °F): ± 1.5% Reading ± 2 °C/4 °F)TH01B Measuring Range:-50 °C To 0 °C(-58 °F To 32 °F): ± 3 °C0 °C to 600 °C(32 °F to 1112 °F): ± 1.5% reading ± 2 °C/4 °F)Specifications:Model: TH01A/TH01B Display: LCD display:S:12:1Emissivity: 0.1 to 1.0Response Spectrum: from 8mu; up to 14mu; Laser:lt; 1mW power 620nm to 690nm Class 2Response Time:lt; 0.5 Seconds Automatic, High Power Off: 30 Seconds Working Temperature: 0 °C to 40 °C Power Supply: 2 * 1.5V AAA Batteries (Not IncludedPackage Contents: 1 x TH01A/TH01B Digital Infrared Thermometer1 x User Manual