1、The ranging ratio is 12:1, which means that the handle of the thermometer can accurately measure the target over a long distance. 2、Faster detection of targets, the measuring surface temperature range is ‑50℃ to 550℃, you can choose the unit of ℉/℃ and the response time is ≤500Ms. 3、The thermometer has an automatic shutdown function to extend battery life, and has a low battery indicator. 4、Infrared technology makes the thermometer can be used to measure the surface temperature of various objects, especially the temperature above the boiling point and below the freezing point. 5、The handle is made of plastic, strong and durable, easy to hold and reliable. Item Type: Temperature Measuring Gun Material: ABS plastic Battery Type: 2 x 1.5V AAA batteries (delivered without batteries) Measuring Range: -50~550℃ (-58~1022℉) Measurement Accuracy: 0.1℃ / 0.1℉ Accuracy Range: <0℃ or> 25℃: ±1.5℃ or ±1.5% whichever is greater 0℃~25℃: ±3.0℃ whichever is greater Spectrum Response: 6-14µm Distance: Point=12: 1 Response Time: 500 milliseconds Display (LCD): Yes Data Retention: Yes ℃ /℉ Selection: Yes Automatic Shutdown: Yes Purpose: Used for temperature measurement of all kinds of hot, dangerous and hard to touch objects. 1 x Temperature Measuring Gun 1 x User Manual