One key temperature measurement, no contact: 0.5 seconds fast temperature measurement, infrared sensors without contact, handheld temperature measurement can be hot and cold temperature measurement can be easily done with one key Single-point laser, accurate positioning: press and hold the switch, through the infrared laser positioning, quickly lock the measurement of the items, mobile thermometer real-time rapid display of the temperature Wide range of high and low temperature measurement: Measurement range: -50℃~400℃ (-58℉~752℉) Measurement is fast and accurate High sensitivity infrared sensing: anti-interference information is received faster, more stable performance, continuous and accurate temperature measurement without waiting 12:1 Object Distance Ratio: When the distance between the gun and the object to be measured increases, the measurement area will also increase accordingly Specifications: Measuring range: -50~400℃ Measuring range: -58~752℉ Environmental scope of work: 30℃/86℉ Measuring distance: 12:1 Response time: 500 milliseconds, 95% response Emissivity: 0.95 Battery: 2* AAA(not included) Screen display: LCD screen Low power prompt: √ Infrared laser setup: √ Backlight settings: √ ℃/℉ adjustable: √ Automatic shutdown: √