Yudian AI-5600 Handheld Universal Thermometer AI-5600 Handheld High-Precision Digital Thermometer Internal compensation, external compensation and manual (simulated) compensation In addition to basic measurement values, the relative value, maximum value, minimum value, average value, peak-peak value, standard deviation The highest resolution is 0.001℃ or 0.01℃ Display unit can be switched at will, including Ω or mV, ℃ , ℉ and K. Clear LCD layout, white backlight, Easy keypad operation and smart and exquisite appearance Upper limit alarm and lower limit alarm can be set, Users calibration is provided Low power consumption; three AA alkaline batteries, 1, 500 hours battery life.