Notice: The new tracking number for CHINAL Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.The same product will arrive in 15 to 60 days
- 100% Brand New.
- 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 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
- Note: The Maximum induction distance is 0.5
Do you have any issures for this order ?if you have any questions ,please do not hesitate to tell us .we will reply you within 12 hours
If you buy more quantity, Please contact us .