SUBALIGU 3PCS Mic Microphone Sensor High Sensitivity Sound Detection Module Compatible with Arduino PIC AVR

Size:32mm*17mm*8mm(length*width*height) Main chip:LM393, Electret condenser microphone Working voltage: DC 4-6V Signal output indication Single channel signal output The output effective signal is low level When there is sound, outputs low level and signal light Can be used for Acoustic control light , give sound and light alarm working with Photosensitive sensor ,and sound control, sound detect Circuit board output switch quantity Note: The Maximum induction distance is 0.5M Package Includes: 3pcs Microphone Sensor High Sensitivity Sound Detection Module