Features: High performance, high accuracy portable infrared thermometer. Digital LCD display with retro- illumination, convenient to read at night. Optional temperature units: Celsius (C) and Fahrenheit (F). Emissivity: 0.95 preset 0.10 adjustable, long press the "" button C/F" to adjust. This digital infrared thermometer can safely and accurately measure extreme temperatures in a wide variety of environments. Note: This item is not suitable for body temperature testing. Function: Easy one-handed operations LCD with backlight On/off switch Low battery indicator LED backlight C/F temperature unit conversion Power off at automatic after 7 seconds of no activity Standby display Scan function Features: Measuring range: -50C to 550C (- 58F to 1022F) Accuracy: -50C to 0C (3C), 0C to 100C (1.5C), 100C to 550 C (1.5%) Repeatability: 1C or 1% of reading Resolution: 0.1C or 0.1F Response time: 500mSec, 95% of response emissivity: 0.95 preset Distance to spot ration: 12:1 Spectral response: 8~14 m Storage temperature: -20C to 60C (-4 F to 140F) Operating temperature: 0C to 40C (32F to 104F) Operating humidity: 10-95% RH non-condensing, up to 30 C (86F) Package weight: 146g / 5.1 oz Package size: 15.6 * 8.8 * 4.3cm / 6.1 * 3.5 * 1.7 inch Package List: 1 * Thermometer