Features:
100% Brand new and high quality!!
With signal output indication
Single channel signal output
The output effective signal is low level
When there is sound，outputs low level and the 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

Specifications:
Size: approx. 32mm*15mm*10mm(L*W*H)
Main chip: LM393， Electret condenser microphone
Working voltage: DC 4-6V
Color: Black

Packing includes:
1 x Sound Detection Sensor Module