ThermoPro TP450 -50C/+550C Antishock Dual Laser Industrial Infrared Non-Contact Thermometer Dual Laser Support Equipped with a dual laser pointer and 16:1 distance-dot-size ratio, this laser thermo gun provides fast and accurate results by simply pointing at an object. Built-in highly sensitive sensors give the thermometer gun a 0.5 second response time with ±1.5% accuracy. Wide Temperature Range: Capable of measuring a wide temperature range from -50°F to 1022°F, this infrared thermometer is perfect for non-contact temperature measurement of ice water, allowing users to measure the surface temperatures of objects from above boiling point to below freezing. , air leaks, inaccessible air conditioners, boiling soup and more. Variable Temperature Display, Check the maximum, minimum and average temperatures from your last scan by pressing the "Mode" button on the thermometer gun. Review these readings to better diagnose problems with your AC vents, furnace, or car engine.