<p>DSR=30:1 &amp; Dual LaserYF-1600 laser thermometer gauge with a 30:1 distance to spot ratio and double laser feature for highly accurate and safe temperature reading. Its infrared technology makes it perfect for measuring the temperature of pizza oven stone, casting metal working, forge, heat treating,HVAC industrial applications and various high-temperature environmentsUltra Wide Range &amp; High AccuracyOur digital thermometer gun features an ultra-wide temperature range of -50-1600/-58-2912 and a high accuracy of +/-2% at an average temperature. The IR thermometer allows you to adjust emissivity from 0.1 to 1.0, enabling you to get more accurate surface temperature measurementsRechargeable Smart IR Pyrometer Press any button to turn on this laser thermometer, the digital infrared thermometer defaults to the smart touch mode when powered on. Unlike other thermometers that require battery replacements, ours has a built-in 400mAh lithium battery that can be conveniently recharged with the included type-C USB cable for repeated useAfter-sales digital laser thermometer comes with great after-sale service. You can trust our thermometer for accurate temperature measurements and long-lasting performance. (PS: This laser infrared thermometer gun is NOT for taking the temperature of humans and animals.)Multifunction Temperature Gauge This digital IR thermometer has a backlight display and flashlight for easy reading in low-light conditions; Includes Max / Min / Avg and different temperature readings; Allows for conversion between Celsius ()and Fahrenheit() units and stores up to 12 temperature readings; And you can set alarms (High and low temperature settings) to sound when temps are met.</p>