Out of Stock
Hover to zoom
2.3x Zoom
Product Overview & Details
Operating Voltage: 3.3V-5V
Features wide range voltage comparator LM393
Adjustable sensitivity
Signal output indicator with the retaining bolt hole, convenient installation
Output form digital switch output (0 and 1 high and low level)
The output effective signal is low level
When there is sound, outputs low level and the signal light