Size: 32mm in length, 17mm in width, and 15mm in height
Main chips: LM393, Electret Microphone
Working voltage: DC 4-6 volts
Characteristic:
1. Has signal output indication.
2. Single channel signal output.
3. Output effective signal at low level.
4. When there is sound, output a low level and the signal light is on.
5. It can be used for voice controlled lights, combined with photosensitive sensors for sound and light alarms, as well as for sound control and detection.
6. Circuit board output switch quantity!
