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
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.
$ 7.59