INSTANT READING & ACCURACY - Instant read thermometer in ONLY 0.5 seconds. Precise measurement of surface temperature with IR technology between -50 and 220 C. Precise, fast and reliable measurement. MULTI-FUNCTION - Functions Data hold, automatic shutdown, LCD display, emissivity 0.95, resolution: 0.1 0.1 / 0.1, temperature unit conversion / , data hold function. BACKLIGHT DISPLAY - Backlight display selection function. Used to measure the surface temperature of dangerous objects that are difficult to access. AUTOMATIC SHUTDOWN - Automatic shutdown for 15 seconds without use. Automatic energy saving, low power consumption, can be used for a long time. APPLICATION - Low point display function. Widely used in refrigeration and household measures. Product description Speciation: Measuring range: - 50 ~ 220 or - 58 ~ 423 Temperature measurement 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) umRepeatability: 1% or Resolution: 0.1 or 0.1 Battery: 2 * 1.5v button cell Size: approx.8.1 * 1.8cm / 3.2 * 0.7in (L * Dia Max) Package list: 1 * infrared thermometer