Klein Tools IR1 Infrared Thermometer, Digital Laser Gun is Non-Contact Thermometer with a Temperature Range -4 to 752-Degree FahrenheitKlein Tools IR1 is an infrared thermometer with a targeting laser. It has a wide measurement range of -4 to 752-Degree Fahrenheit (-20 to 400-Degree Celsius) and a 10:1 distance-to-spot ratio. The backlit display provides clear readings. IR Thermometer has a 10:1 optical resolution (distance-to-spot). Temperature range from -4 to 752-Degree Fahrenheit. Laser thermometer not intended for human temperature testing. Fixed emissivity at 0.95. Includes custom pouch and a 9V battery. Auto Power-Off" conserves and extends battery life. Certified to IEC EN 61326-1.2006, EN608251.1994+A2.2001+A1.2002. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.