Item Type: Infrared Thermometer Material: ABS Battery: 2 x AAA battery, shipped without battery. Temperature Measurement Range: -50~600, that is, -58~752. Response Time: 0.8s Response Wavelength: 8-14um Object Distance Ratio: 12:1 1High in Accuracy: Wide in test range and high in accuracy, this digital thermometer gun enables easier operation for temperature testing. 2Infrared Testing: Infrared detection can test the surface temp beyond the boiling point or below the freezing point with quick response. 3Great in Designs: Comes with data storage function, laser target designator and digital display, the infrared thermometer is easy to use. 4Wide Application: Allows for flexible utilization in chemical equipment, machinery maintenance food processing, household electricity, etc. 5Varied Functions: Moreover, this temperature tester comes with various functions such as and conversion, automatic shutdown and so on.1 x Infrared Thermometer 1 x User Manual