Features: Handheld high performance and high accuracy infrared thermometer. Digital LCD display with backlight, convenient to read at night. Optional temperature units: Celsius (C) and Fahrenheit (F). Emissivity: 0.95 0.10adjustable preset, long press ";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 testing body temperature. Function: Easy one-handed operations LCD with backlight ON / OFF button Low battery indicator LED backlight system br/> C/F temperature unit conversion Auto power off after 7 seconds of no activity Display hold Scan function Features: Measuring range: -50C to 550C (-58F to 1022F) Accuracy: -50C to 0C (3C), 0C to 100C (1.5C), 100C to 550C (1.5%) Reproducibility: 1C or 1% of reading Resolution : 0.1C or 0.1F Response time: 500 ms, 95% response Emissive: 0.95 Preset Location Distance Ration: 12:1 Spectral response: 8 ~ 14m Storage temperature: -20C to 60C (-4F to 140F) Operating temperature: 0C to 40 C (32F to 104F) Humidity: 10 to 95% relative humidity non-condensing, up to 30C (86F) Package weight: 146g / 5.1 oz Package size: 15.6 * 8.8 * 4.3cm / 6.1 * 3.5 * 1.7in Package list: 1 * Thermometer