Professional CCTV Internal Acoustic Hi Fidelity Microphone This Mic will require 12v power connected to work Features Power Pass through (Power In + out) i.e. Can be powered from the existing power supply from any nearby (non poe) 12v camera 1. Connecting the existing power supply into the Mic Power input 2. Connect the power output into the nearby camera Acoustic Mic with automatic gain control (AGC) Ideal add-on to your existing or new CCTV System. Simply plug into your DVR, NVR or IP Camera Audio In Connection, connect a 12v Dc Power supply. No Need to run a separate power supply as this microphone has power input + a power output so you can just use the power supply from a nearby (non poe) 12v camera. Professional Acoustic Range High Fidelity low noise processing chip Eliminate interference, hiss and echo. Indoor Use 100m2 Coverage AGC : Automatic Gain Control (sensitivity) Low noise for pure clear speech Audio Output: RCA Female Electrical current : 20mA Work Voltage: DC12V Frequency: 100-100 KHZ Suitable for larger scale applications like Banks, Telecommunications, Offices, Under counter, Security Etc Use our Professional Microphone Connection KIT to connect this microphone to a DVR, NVR or IP Camera (with audio out)
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