The TEMPERATURE INDICATOR, 96-253 VAC, 50/60 HZ, 100-110 DEGREES C, 4 DIGIT DISPLAY, part number 3900KNER, is a versatile temperature indicator manufactured by DIGITRON. Designed to display temperature in degrees Celsius, this indicator offers accurate and clear readings. Its wide input voltage range and compact size make it suitable for various applications. Whether you need to monitor temperature in industrial or commercial settings, this temperature indicator is a reliable choice.