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