Infrared Thermometer Non Contact Handheld Thermometer LCD Digital Laser Temperature Gun(WT327B (50℃~600℃) ) Item Type: Thermometer Material: ABS Power Supply: 2 x AAA 1.5V (Battery Not Included) Application: Industrial temperature measurement LCD Display LCD color display Temperature Range WT327A: -50℃~400℃ (-58℉~752℉) WT327B: -50℃~600℃ (-58℉~1112℉) Temperature Measurement Error -50℃~0℃ (-58℉-32℉): ±3℃ (±5℉) 0℃-600℃ (32℉~1112℉): ±1.5% rdg or±1.5℃ (±2. 7℉) whichever is greater Repeatability 1% rdg or 1℃, whichever is greater Response Time 0.5 seconds, 95% response Emissivity 0.10-1.00 adjustable (default is 0.95) D:S 12:1 Response Wavelength 5um-14um No Operation Shutdown About 7 seconds Battery 2 x 1.5V AAA battery (Battery Not Included) Low Battery Indicator Low power indicator for power supply below 2.5V Overload Indicator LCD display "Hi"/"Lo" Exceed The Upper/Lower Limit of the Working Environment LCD display "AH"/"AL" Working Temperature 0℃-40℃ (32℉-104℉) Storage Temperature -10℃-60℃ (14℉-140℉)