Sound Sensor Microphones Module

product description
Chip: LM393, electret microphone;
Operating voltage: DC 4 ~ 6 V;
Signal output command. One single channel output.
Low level output signal; lights up when sound output is low.
Can be used for sound control lights, with light sensor audible and visual alarm, voice control, voice detection and other occasions.

packing list:
1 LM393 sound detection sensor module
product information
1.8 × 1.2 × 0.5 inch
Product weight 0.32 ounces