1. Main chip: LM393, Electret condenser microphone
2. Working voltage: DC 3.3-5V
3. Induction distance is 0.5M
4. Signal output Indication
5. Single channel signal output
6. The output effective signal is low level.
₹149.00Original price was: ₹149.00.₹139.00Current price is: ₹139.00.
