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- Pickup Sound Monitor Built-in Digital Processing Circuit Quality Sounds For CCTV DVR KIT IP Camera.
- Built-in digital processing circuit, multistage dynamic noise reduction processing.
- Clear Voice, low noise. AGC automatic gain circuit.
- The echo eliminate technology. Reduce echo in the empty room
- Pinhole design, convenient hidden installation.
- Applicable to public security organs, trial, supervisor of the warehouse, divisions, police station, telecommunications, bank Treasury departments audio monitoring.
USD $14.99
