Features: Made of high-quality ABS material, it feels comfortable and it is not easy to fall off after a long time of using. Passive infrared sensor, hot and cold temperature measurement with one button. LCD backlight display for easy reading at dim environment. Ergonomic handle for easier holding. Widely used in chemical, environmental testing, heating and refrigeration industries. Specification: Condition: 100% Brand New Material: ABS Color: Shown as Picture Model: DT8550JCT Temperature Range: -50℃ ~ 550℃(-58℉ ~ 1022℉) Accuracy: ±2% or ±2℃ Distance Ratio: 12:1 Emissivity: 0.1 to 1.0 Response Time: 500ms & (8-14) um Repeatability: ±1% or ±1℃ Resolution: 0.1℃ or 0.1℉ Storage Temperature: -20℃ ~ 50℃(-4 ~ 122℉) Operating Temperature: 0℃ ~ 50℃(32℉ ~ 122℉) Power: 9V Carbon Battery (not included) Package Weight: Approx. 156g / 5.5oz Package list: 1 * Digital Infrared Thermometer (Battery not included) 1 * User Manual Note: Please note that this product is for industrial use and cannot be used to measure human body temperature. 1、Made of high-quality ABS material, it feels comfortable and it is not easy to fall off after a long time of using. 2、Passive infrared sensor, hot and cold temperature measurement with one button. 3、LCD backlight display for easy reading at dim environment. 4、Ergonomic handle for easier holding. 5、Widely used in chemical, environmental testing, heating and refrigeration industries.