1、Safety Alarm: When the humidity exceeds the high or low set value, sensor error or humidity exceeds the limit, this module will give an alarm to remind you, very reliable in use. 2、High Accuracy: The controller is equipped with a high precise humidity sensor probe, with accurate and stable performance, the control accuracy is ±15% (40% to 80%). 3、Multi Purpose: This module can be used in refrigerators, freezers, incubators, pet breeding, home brews, glass containers, bakeries, grain depots, greenhouses, machine rooms, etc. 4、Easy to Use: The humidity is small in size and light in weight, easy to install and convenient to use, with digital display module, simple to observe the data. 5、Excellent Components: Composed of excellent components, ensures stable performance and high reliability of this humidity control module. Item Type: Humidity Control Module Material: Electronic component Measuring Range: 00% to 99% RH Measurement Accuracy: ±15% (40% to 80%) Power Supply Selection: 12VDC 1 x Humidity Control Module