Infrared Thermometer -50℃-550℃ Color Screen High Low Temperature Alarm Industrial Thermometer for Metal Working This instrument is a professional hand held infrared thermometer. Use simple, rigorous design, measurement accuracy. Wide temperature range and etc. It has a laser sighting VA display with backlight, high/low temperature alarm, Adjustable emissivity and Automatic shutdown function. When you target the object detection window at the subject, then it will be able to quickly and accurately measure the temperature of it. Specifications: Model: TH104 Measuring Range: -50℃~550℃(-58℉~1022℉) LCD Resolution: 0.1 ℃/°F Power Consumption: ≤50mw Measuring Distance: D:S=12:1 Measuring Time: ≤0.5 seconds Emissivity: 0.1~1.00 adjustable Relative Humidity: 90% Automatic Shutdown: 20 seconds Battery: 1 * AA battery(not included) Ambient Temperature: 0℃~50℃ Storage Temperature: -20℃~60℃ Screen Display: VA display screen Low Current Warning: Yes lnfrared Laser: Yes °C/°F Adjustable: Yes Maximum/minimum Value: Yes Data Retention: Yes High/Low Temperature Warning: Yes Material: ABS Item Size: 146.9 * 89.7 * 42.5 mm / 5.78 * 3.53 * 1.67 inch Item Weight: 145g / 5.11oz Package Size: 175 * 105 * 48mm / 6.89 * 4.13 * 1.89 inch Package Weight: 199g / 7.02oz