Description Features: 1. Securely, fast, reliable measurement. 2. ℃/℉ temperature unit conversion and 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 of 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 (LxMaximum Dia.). Package list: 1x Infrared Thermometer.