Features: 1. Securely, fast, reliable measurement. 2. ℃ / ℉ temperature unit conversion. Data hold function. 3. Backlight display selection function. Used for measuring high temperature, dangerous and difficult to access objects surface temperature. 4. Auto shutdown for 15 seconds non-use. 5. Low point display function. Widely used in refrigeration and household measuring. Speciation: Measuring range: - 50℃ ~ 220℃ or - 58℉ ~ 423 ℉ Temperature measuring accuracy: ± 2% or 2 ℃ Measuring distance ratio: 2:1 Distance coefficient ratio: 1:1 Display resolution: 0.1 ℃/ 0.1 ℉ Emissivity: 0.95 Response time and response value: 500ms&(8-14)um Repeatability: ± 1% or ± ℃ Resolution: 0.1℃ or 0.1 ℉ Battery: 2 x 1.5V button batteries(Included) Size: Approx. 8.1 x 1.8cm/3.2 x 0.7in(L x Maximum Dia.) Package list: 1 x Infrared Thermometer Features Secure and Reliable Measurement: Get accurate temperature readings quickly and securely with this non-contact infrared thermometer. Temperature Unit Conversion: Easily switch between Celsius and Fahrenheit for your convenience. Data Hold Function: Capture and retain temperature data with the push of a button, ensuring accurate measurements every time. Backlight Display Selection: Choose from multiple backlight options for clear visibility in any lighting condition. Versatile and Practical: Perfect for measuring high temperatures, inaccessible objects, refrigeration, and household applications.