Main chip: LM393, Electret condenser microphone
Working voltage: DC 3.3-5V
Induction distance is 0.5M
Signal output Indication
Single channel signal output
The output effective signal is low level.
Working voltage: DC 3.3-5V.
IC Chip: LM393
Signal output indication.
The output is digital.
Single channel signal output.
With the retaining bolt hole, convenient installation.
Output low level and the signal light when there is sound.