-
Adjustable Audio Pickup Microphone Sound Monitor Sensitivity Audio Monitoring For Surveillance Kits
- Adjustable Audio Pickup Microphone Sound Monitor Sensitivity Audio Monitoring For 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.
USD $9.99 -
Pickup Sound Monitor Built-in Digital Processing Circuit Quality Sounds For CCTV DVR KIT IP Camera
- 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 -
Sound Monitor Concealed with interface Audio Microphone Suitable for HIKVISION Dahua 50sqm
1. Sound Monitor Concealed with interface Audio Microphone Suitable for HIKVISION Dahua 50sqm.2. Miniature SMT design, low noise, high fidelity.3. Mini Sound Monitor easy installation4. Monitoring scope: 5 – 50 square meters.USD $8.99 -
Adjustable Audio Microphone with Quality Sounds Suitable for HIKVISION Dahua 50sqm Sound Monitor
- Adjustable Audio Microphone with Quality Sounds Suitable for HIKVISION Dahua 50sqm Sound Monitor
- Built in Pre-amplifier.
- With adjustable button.
- Adopt Taiwan design scheme, the miniature SMT design.
USD $7.59
