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CCTV Microphone Mini Sound Monitor Sensitivity Audio Sound Pick Up For CCTV Surveillance Kits
- CCTV Microphone Mini Sound Monitor Sensitivity Audio Sound Pick Up For CCTV Surveillance Kits.
- Multiple frequency selective inhibition of effective environmental noise, pure tone, dynamic brave.
- Automatic gain control (AGC) circuit. Sensitivity can be adjusted.
- Low noise, high fidelity. Power polarity protection circuit.
- Gum design, convenient installation.
- For the school, bank, factories and other environmental synchronous recording project.
$7.99
