Features 1、NTC Thermistor: This temperature control circuit module adopts NTC thermistor sensor, and using the wide voltage LM393 comparator 2、Strong Drive: With the comparator output, thermal sensor module has clean signal, good waveform, strong drive ability, more than 15mA 3、Sensitivity Adjustment: Adjust the sensitivity with potentiometer, in addition, the thermal sensor is in the form of digital switch output 4、Convenient to Install: This temperature control circuit module has fixing bolts holes, which for easy installation and easy use 5、Basic Specifications: The working voltage of this temperature control circuit module is 3.3V-5V, and the small board PCB size is 3.2 x 1.7cm Specification Item Type: NTC Thermal Sensor Module Material: ABS Output Form: Digital Switch Output (0 and 1) Small Board PCB Size: Approx. 3.2 x 1.7cm / 1.26 x 0.67in Package List 1 x Thermal Sensor Module