Features:
100% Brand new and high quality
Size: About 32mm*17mm*15mm (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,output low level and the signal lights
Can be used for Acoustic control light; give sound and light alarm working with Photosensitive sensor
Note: The Maximum induction distance is 0.5M
Package Included:
1 x LM393 Electret Condenser Microphone Voice Module Sound Detection For Acoustic Control Light