Description:Humidity Sensor Module HR202 Humidity Testing Module Humidity Detection Sensor· Article-Nr.:5401468· Product Details:· Humidity Detection Module· Condition: new· HR202 sensor· Comparator output, signal clean, good waveform, strong driving ability, more than 15 ma· Working voltage: 3.3 V to 5 V· Output format: DO digital switch output (0 and 1)· PCB size: 3.2 cm x 1.4 cm· LM393 wide voltage comparator