Dreamvasion® High Sensitive Pre-amp Audio Pickup Device Tiny Spy Microphone for Security Camera CCTV Surveillance System Sound Vioce Monitoring with Free Warning

Dreamvasion sound monitor use high-fidelity/low noise processing chips, voice clear, appearance fashion, which applies to a variety of situations.
This sound monitor contains HIFI process chip with low noise performance. Such chip can restrain noise around environment through frequency response network for several times, and provides pure tone quality and powerful movement.
Dreamvasion audio monitor contains dedicated AGC circuit so it is suitable for different types of Mic supervised listening environments, such as bank, prison, examination place, shopping mall, and industry factory etc.

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