BW High Sensitive Audio Pickup Device Mini Microphone Audio Mic for CCTV Security Outdoor Camera System Recorder DVR Sound

【Advantage】This security microphone for CCTV security camera is compatible with devices that accept AV input, like DVR, VCR, TV, etc 【High Sensitivity Audio Sound Pick Up】Wide monitoring range of about 10-50 square meter.Sensitivity adjustable. Low noise, high-fidelity. Widely used in bank, shopping malls, prisons, justice, classrooms, conference rooms, industrial production, military areas, and so on. 【Sound Pickup Microphone】Used to increase a microphones low output voltage to a stronger usable level.Built in on board IC preamp, low noise, high gain and auto level adjustment. 【CCTV Audio Microphone】Microphone High Sensitive Audio Sound Pick Up for security camera system; Power in and Power out design allows the microphone to share the same power source with the camera. 【Quality Warranty】Any Question with our product, please feel free to contact with us. We will be always on your side.