Specification Brand : Generic BulletPoint : LM393 Voltage Comparator Module High Level Output Analog Comparator Control with LED Indicator 3.5-24V BulletPoint1 : 1. Use original TPA3116D BulletPoint2 : 2. The power filter capacitor adopts imported electrolytic capacitor 3300UF/50V BulletPoint3 : 3. Resistance The main circuit adopts a five-ring metal film resistor with an accuracy of ±1%, which ensures a good signal-to-noise ratio of the whole machine. BulletPoint4 : 4. PCB adopts 1.6mm thick double-sided board, 2.0 oz copper thickness, and full tinning process to ensure the good passing performance of large and small currents and first-class PCB quality. BulletPoint5 : 5. Adopt full-shielded audio special high-current inductor to ensure the sound is clear and powerful. ExternallyAssignedProductIdentifier1 : 0717687594806 ExternallyAssignedProductIdentifier2 : 717687594806 IncludedComponents : 2pcs P-134 VU Meter ItemName : LM393 Voltage Comparator Module High Level Output Analog Comparator Control with LED Indicator 3.5-24V ItemTypeKeyword : comparator-amplifiers Manufacturer : Generic ModelNumber : ABLFY_DUD_20962 NumberOfItems : 1 PartNumber : ABLFY_DUD_20962 ProductDescription : Product Introduction: 1.Input Voltage:3.5-24V 2.Comparator Chip:LM393 3.Application:for NTC thermosensitive temperature sensor,photosensitive sensor 4.Using Method:by reference voltage adjusting potentiometer to generate reference voltage,and compare voltage generated by sensor and divide resistor with reference voltage,achieving high/low level comparision result output.