Description :<br>3Pcs High Sensitive Audio Tiny Microphone for CCTV Security Camera<br>Pick up every sound with this super high gain micro audio system.Built in on board IC preamp， low noise， high gain and auto level adjustment.Super high gain mini microphones capturing audio evidence for security camera system.<br>Connect method :Red line : power &amp;quot; +&amp;quot;Black line : &amp;quot;-&amp;quot; and Signal GNDWhite line : audiio system input port <br>Specification :<br>Power supply : DC 6-12VCurrent consumption : 10mAFrequency range : 200-10KhzOutput impedance : 600&amp;Omega;Output level : 0-6V<br>Package includes :<br>3 x Audio Tiny Microphone<br>Details pictures :